Home / 44,981.38-67,472.07-13,812.58

Finding the Fourth Proportional to 44,981.38, 67,472.07 and 13,812.58

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Solution

The fourth proportional to 44,981.38, 67,472.07 and 13,812.58 is: 20,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,981.38 : 67,472.07 = 13,812.58 : x
  2. Step 2: Convert to fraction form
    44,981.38/67,472.07 = 13,812.58/x
  3. Step 3: Cross multiply
    44,981.38x = 67,472.07 × 13,812.58
  4. Step 4: Simplify right side
    44,981.38x = 931,963,364.64
  5. Step 5: Solve for x
    x = 931,963,364.64/44,981.38
  6. Step 6: Final answer
    x = 20,718.87

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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.