Home / 51,411.53-77,088.65-15,862.76

Finding the Fourth Proportional to 51,411.53, 77,088.65 and 15,862.76

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Solution

The fourth proportional to 51,411.53, 77,088.65 and 15,862.76 is: 23,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,411.53 : 77,088.65 = 15,862.76 : x
  2. Step 2: Convert to fraction form
    51,411.53/77,088.65 = 15,862.76/x
  3. Step 3: Cross multiply
    51,411.53x = 77,088.65 × 15,862.76
  4. Step 4: Simplify right side
    51,411.53x = 1,222,838,481.64
  5. Step 5: Solve for x
    x = 1,222,838,481.64/51,411.53
  6. Step 6: Final answer
    x = 23,785.30

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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.