Home / 31,042.73-46,538.13-12,311.08

Finding the Fourth Proportional to 31,042.73, 46,538.13 and 12,311.08

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Solution

The fourth proportional to 31,042.73, 46,538.13 and 12,311.08 is: 18,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042.73 : 46,538.13 = 12,311.08 : x
  2. Step 2: Convert to fraction form
    31,042.73/46,538.13 = 12,311.08/x
  3. Step 3: Cross multiply
    31,042.73x = 46,538.13 × 12,311.08
  4. Step 4: Simplify right side
    31,042.73x = 572,934,641.48
  5. Step 5: Solve for x
    x = 572,934,641.48/31,042.73
  6. Step 6: Final answer
    x = 18,456.32

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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.