Home / 31,881.28-44,024.16-19,964.92

Finding the Fourth Proportional to 31,881.28, 44,024.16 and 19,964.92

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Solution

The fourth proportional to 31,881.28, 44,024.16 and 19,964.92 is: 27,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.28 : 44,024.16 = 19,964.92 : x
  2. Step 2: Convert to fraction form
    31,881.28/44,024.16 = 19,964.92/x
  3. Step 3: Cross multiply
    31,881.28x = 44,024.16 × 19,964.92
  4. Step 4: Simplify right side
    31,881.28x = 878,938,832.47
  5. Step 5: Solve for x
    x = 878,938,832.47/31,881.28
  6. Step 6: Final answer
    x = 27,569.12

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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.