Home / 34,818.75-48,055.95-20,671.29

Finding the Fourth Proportional to 34,818.75, 48,055.95 and 20,671.29

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Solution

The fourth proportional to 34,818.75, 48,055.95 and 20,671.29 is: 28,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,818.75 : 48,055.95 = 20,671.29 : x
  2. Step 2: Convert to fraction form
    34,818.75/48,055.95 = 20,671.29/x
  3. Step 3: Cross multiply
    34,818.75x = 48,055.95 × 20,671.29
  4. Step 4: Simplify right side
    34,818.75x = 993,378,478.68
  5. Step 5: Solve for x
    x = 993,378,478.68/34,818.75
  6. Step 6: Final answer
    x = 28,529.99

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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.