Home / 40,187.09-55,456.13-22,281.92

Finding the Fourth Proportional to 40,187.09, 55,456.13 and 22,281.92

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Solution

The fourth proportional to 40,187.09, 55,456.13 and 22,281.92 is: 30,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.09 : 55,456.13 = 22,281.92 : x
  2. Step 2: Convert to fraction form
    40,187.09/55,456.13 = 22,281.92/x
  3. Step 3: Cross multiply
    40,187.09x = 55,456.13 × 22,281.92
  4. Step 4: Simplify right side
    40,187.09x = 1,235,668,663.48
  5. Step 5: Solve for x
    x = 1,235,668,663.48/40,187.09
  6. Step 6: Final answer
    x = 30,747.90

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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.