Home / 54,854.28-75,700.98-30,983.58

Finding the Fourth Proportional to 54,854.28, 75,700.98 and 30,983.58

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Solution

The fourth proportional to 54,854.28, 75,700.98 and 30,983.58 is: 42,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.28 : 75,700.98 = 30,983.58 : x
  2. Step 2: Convert to fraction form
    54,854.28/75,700.98 = 30,983.58/x
  3. Step 3: Cross multiply
    54,854.28x = 75,700.98 × 30,983.58
  4. Step 4: Simplify right side
    54,854.28x = 2,345,487,369.91
  5. Step 5: Solve for x
    x = 2,345,487,369.91/54,854.28
  6. Step 6: Final answer
    x = 42,758.51

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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.