Home / 57,472.54-79,312.16-31,981.23

Finding the Fourth Proportional to 57,472.54, 79,312.16 and 31,981.23

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Solution

The fourth proportional to 57,472.54, 79,312.16 and 31,981.23 is: 44,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.54 : 79,312.16 = 31,981.23 : x
  2. Step 2: Convert to fraction form
    57,472.54/79,312.16 = 31,981.23/x
  3. Step 3: Cross multiply
    57,472.54x = 79,312.16 × 31,981.23
  4. Step 4: Simplify right side
    57,472.54x = 2,536,500,510.71
  5. Step 5: Solve for x
    x = 2,536,500,510.71/57,472.54
  6. Step 6: Final answer
    x = 44,134.13

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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.