Home / 54,988.17-75,882.31-31,114.63

Finding the Fourth Proportional to 54,988.17, 75,882.31 and 31,114.63

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Solution

The fourth proportional to 54,988.17, 75,882.31 and 31,114.63 is: 42,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.17 : 75,882.31 = 31,114.63 : x
  2. Step 2: Convert to fraction form
    54,988.17/75,882.31 = 31,114.63/x
  3. Step 3: Cross multiply
    54,988.17x = 75,882.31 × 31,114.63
  4. Step 4: Simplify right side
    54,988.17x = 2,361,049,999.20
  5. Step 5: Solve for x
    x = 2,361,049,999.20/54,988.17
  6. Step 6: Final answer
    x = 42,937.42

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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.