Home / 45,127.68-67,617.54-31,956.40

Finding the Fourth Proportional to 45,127.68, 67,617.54 and 31,956.40

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Solution

The fourth proportional to 45,127.68, 67,617.54 and 31,956.40 is: 47,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.68 : 67,617.54 = 31,956.40 : x
  2. Step 2: Convert to fraction form
    45,127.68/67,617.54 = 31,956.40/x
  3. Step 3: Cross multiply
    45,127.68x = 67,617.54 × 31,956.40
  4. Step 4: Simplify right side
    45,127.68x = 2,160,813,155.26
  5. Step 5: Solve for x
    x = 2,160,813,155.26/45,127.68
  6. Step 6: Final answer
    x = 47,882.21

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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.