Home / 31,177.20-46,760.19-8,985.13

Finding the Fourth Proportional to 31,177.20, 46,760.19 and 8,985.13

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Solution

The fourth proportional to 31,177.20, 46,760.19 and 8,985.13 is: 13,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.20 : 46,760.19 = 8,985.13 : x
  2. Step 2: Convert to fraction form
    31,177.20/46,760.19 = 8,985.13/x
  3. Step 3: Cross multiply
    31,177.20x = 46,760.19 × 8,985.13
  4. Step 4: Simplify right side
    31,177.20x = 420,146,235.38
  5. Step 5: Solve for x
    x = 420,146,235.38/31,177.20
  6. Step 6: Final answer
    x = 13,476.07

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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.