Home / 66,909.04-92,334.33-38,614.73

Finding the Fourth Proportional to 66,909.04, 92,334.33 and 38,614.73

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Solution

The fourth proportional to 66,909.04, 92,334.33 and 38,614.73 is: 53,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.04 : 92,334.33 = 38,614.73 : x
  2. Step 2: Convert to fraction form
    66,909.04/92,334.33 = 38,614.73/x
  3. Step 3: Cross multiply
    66,909.04x = 92,334.33 × 38,614.73
  4. Step 4: Simplify right side
    66,909.04x = 3,565,464,761.01
  5. Step 5: Solve for x
    x = 3,565,464,761.01/66,909.04
  6. Step 6: Final answer
    x = 53,288.24

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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.