Home / 66,908.04-92,332.54-38,613.12

Finding the Fourth Proportional to 66,908.04, 92,332.54 and 38,613.12

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Solution

The fourth proportional to 66,908.04, 92,332.54 and 38,613.12 is: 53,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.04 : 92,332.54 = 38,613.12 : x
  2. Step 2: Convert to fraction form
    66,908.04/92,332.54 = 38,613.12/x
  3. Step 3: Cross multiply
    66,908.04x = 92,332.54 × 38,613.12
  4. Step 4: Simplify right side
    66,908.04x = 3,565,247,446.92
  5. Step 5: Solve for x
    x = 3,565,247,446.92/66,908.04
  6. Step 6: Final answer
    x = 53,285.79

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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.