Home / 34,818.28-48,055.14-20,678.76

Finding the Fourth Proportional to 34,818.28, 48,055.14 and 20,678.76

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Solution

The fourth proportional to 34,818.28, 48,055.14 and 20,678.76 is: 28,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,818.28 : 48,055.14 = 20,678.76 : x
  2. Step 2: Convert to fraction form
    34,818.28/48,055.14 = 20,678.76/x
  3. Step 3: Cross multiply
    34,818.28x = 48,055.14 × 20,678.76
  4. Step 4: Simplify right side
    34,818.28x = 993,720,706.83
  5. Step 5: Solve for x
    x = 993,720,706.83/34,818.28
  6. Step 6: Final answer
    x = 28,540.20

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Half scale
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Double scale
Find fourth proportional to 34,819.28, 48,056.52 and 20,679.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.