Home / 51,411.47-77,088.55-15,862.70

Finding the Fourth Proportional to 51,411.47, 77,088.55 and 15,862.70

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Solution

The fourth proportional to 51,411.47, 77,088.55 and 15,862.70 is: 23,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,411.47 : 77,088.55 = 15,862.70 : x
  2. Step 2: Convert to fraction form
    51,411.47/77,088.55 = 15,862.70/x
  3. Step 3: Cross multiply
    51,411.47x = 77,088.55 × 15,862.70
  4. Step 4: Simplify right side
    51,411.47x = 1,222,832,321.01
  5. Step 5: Solve for x
    x = 1,222,832,321.01/51,411.47
  6. Step 6: Final answer
    x = 23,785.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.