Home / 31,917.49-44,013.47-21,158.62

Finding the Fourth Proportional to 31,917.49, 44,013.47 and 21,158.62

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Solution

The fourth proportional to 31,917.49, 44,013.47 and 21,158.62 is: 29,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.49 : 44,013.47 = 21,158.62 : x
  2. Step 2: Convert to fraction form
    31,917.49/44,013.47 = 21,158.62/x
  3. Step 3: Cross multiply
    31,917.49x = 44,013.47 × 21,158.62
  4. Step 4: Simplify right side
    31,917.49x = 931,264,354.85
  5. Step 5: Solve for x
    x = 931,264,354.85/31,917.49
  6. Step 6: Final answer
    x = 29,177.24

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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.