Home / 51,191.19-70,649.58-28,532.25

Finding the Fourth Proportional to 51,191.19, 70,649.58 and 28,532.25

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Solution

The fourth proportional to 51,191.19, 70,649.58 and 28,532.25 is: 39,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.19 : 70,649.58 = 28,532.25 : x
  2. Step 2: Convert to fraction form
    51,191.19/70,649.58 = 28,532.25/x
  3. Step 3: Cross multiply
    51,191.19x = 70,649.58 × 28,532.25
  4. Step 4: Simplify right side
    51,191.19x = 2,015,791,478.96
  5. Step 5: Solve for x
    x = 2,015,791,478.96/51,191.19
  6. Step 6: Final answer
    x = 39,377.70

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Double scale
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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.