Home / 67,292.16-92,861.76-39,002.88

Finding the Fourth Proportional to 67,292.16, 92,861.76 and 39,002.88

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Solution

The fourth proportional to 67,292.16, 92,861.76 and 39,002.88 is: 53,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292.16 : 92,861.76 = 39,002.88 : x
  2. Step 2: Convert to fraction form
    67,292.16/92,861.76 = 39,002.88/x
  3. Step 3: Cross multiply
    67,292.16x = 92,861.76 × 39,002.88
  4. Step 4: Simplify right side
    67,292.16x = 3,621,876,081.87
  5. Step 5: Solve for x
    x = 3,621,876,081.87/67,292.16
  6. Step 6: Final answer
    x = 53,823.15

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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.