Home / 41,398.08-57,002.83-31,203.92

Finding the Fourth Proportional to 41,398.08, 57,002.83 and 31,203.92

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Solution

The fourth proportional to 41,398.08, 57,002.83 and 31,203.92 is: 42,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398.08 : 57,002.83 = 31,203.92 : x
  2. Step 2: Convert to fraction form
    41,398.08/57,002.83 = 31,203.92/x
  3. Step 3: Cross multiply
    41,398.08x = 57,002.83 × 31,203.92
  4. Step 4: Simplify right side
    41,398.08x = 1,778,711,747.09
  5. Step 5: Solve for x
    x = 1,778,711,747.09/41,398.08
  6. Step 6: Final answer
    x = 42,966.04

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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.