Home / 66,908.52-92,337.84-38,616.03

Finding the Fourth Proportional to 66,908.52, 92,337.84 and 38,616.03

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Solution

The fourth proportional to 66,908.52, 92,337.84 and 38,616.03 is: 53,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.52 : 92,337.84 = 38,616.03 : x
  2. Step 2: Convert to fraction form
    66,908.52/92,337.84 = 38,616.03/x
  3. Step 3: Cross multiply
    66,908.52x = 92,337.84 × 38,616.03
  4. Step 4: Simplify right side
    66,908.52x = 3,565,720,799.58
  5. Step 5: Solve for x
    x = 3,565,720,799.58/66,908.52
  6. Step 6: Final answer
    x = 53,292.48

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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.