Home / 51,353.73-70,864.13-28,691.55

Finding the Fourth Proportional to 51,353.73, 70,864.13 and 28,691.55

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Solution

The fourth proportional to 51,353.73, 70,864.13 and 28,691.55 is: 39,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,353.73 : 70,864.13 = 28,691.55 : x
  2. Step 2: Convert to fraction form
    51,353.73/70,864.13 = 28,691.55/x
  3. Step 3: Cross multiply
    51,353.73x = 70,864.13 × 28,691.55
  4. Step 4: Simplify right side
    51,353.73x = 2,033,201,800.83
  5. Step 5: Solve for x
    x = 2,033,201,800.83/51,353.73
  6. Step 6: Final answer
    x = 39,592.10

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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.