Home / 54,372.47-75,033.54-30,498.63

Finding the Fourth Proportional to 54,372.47, 75,033.54 and 30,498.63

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Solution

The fourth proportional to 54,372.47, 75,033.54 and 30,498.63 is: 42,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.47 : 75,033.54 = 30,498.63 : x
  2. Step 2: Convert to fraction form
    54,372.47/75,033.54 = 30,498.63/x
  3. Step 3: Cross multiply
    54,372.47x = 75,033.54 × 30,498.63
  4. Step 4: Simplify right side
    54,372.47x = 2,288,419,892.67
  5. Step 5: Solve for x
    x = 2,288,419,892.67/54,372.47
  6. Step 6: Final answer
    x = 42,087.85

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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.