Home / 54,590.76-75,339.60-30,715.92

Finding the Fourth Proportional to 54,590.76, 75,339.60 and 30,715.92

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Solution

The fourth proportional to 54,590.76, 75,339.60 and 30,715.92 is: 42,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.76 : 75,339.60 = 30,715.92 : x
  2. Step 2: Convert to fraction form
    54,590.76/75,339.60 = 30,715.92/x
  3. Step 3: Cross multiply
    54,590.76x = 75,339.60 × 30,715.92
  4. Step 4: Simplify right side
    54,590.76x = 2,314,125,126.43
  5. Step 5: Solve for x
    x = 2,314,125,126.43/54,590.76
  6. Step 6: Final answer
    x = 42,390.42

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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.