Home / 42,612.93-58,912.13-31,984.11

Finding the Fourth Proportional to 42,612.93, 58,912.13 and 31,984.11

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Solution

The fourth proportional to 42,612.93, 58,912.13 and 31,984.11 is: 44,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.93 : 58,912.13 = 31,984.11 : x
  2. Step 2: Convert to fraction form
    42,612.93/58,912.13 = 31,984.11/x
  3. Step 3: Cross multiply
    42,612.93x = 58,912.13 × 31,984.11
  4. Step 4: Simplify right side
    42,612.93x = 1,884,252,046.25
  5. Step 5: Solve for x
    x = 1,884,252,046.25/42,612.93
  6. Step 6: Final answer
    x = 44,217.85

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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.