Home / 38,347.35-57,530.57-30,479.55

Finding the Fourth Proportional to 38,347.35, 57,530.57 and 30,479.55

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Solution

The fourth proportional to 38,347.35, 57,530.57 and 30,479.55 is: 45,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.35 : 57,530.57 = 30,479.55 : x
  2. Step 2: Convert to fraction form
    38,347.35/57,530.57 = 30,479.55/x
  3. Step 3: Cross multiply
    38,347.35x = 57,530.57 × 30,479.55
  4. Step 4: Simplify right side
    38,347.35x = 1,753,505,732.45
  5. Step 5: Solve for x
    x = 1,753,505,732.45/38,347.35
  6. Step 6: Final answer
    x = 45,726.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.