Home / 38,365.13-52,920.18-22,438.91

Finding the Fourth Proportional to 38,365.13, 52,920.18 and 22,438.91

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Solution

The fourth proportional to 38,365.13, 52,920.18 and 22,438.91 is: 30,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.13 : 52,920.18 = 22,438.91 : x
  2. Step 2: Convert to fraction form
    38,365.13/52,920.18 = 22,438.91/x
  3. Step 3: Cross multiply
    38,365.13x = 52,920.18 × 22,438.91
  4. Step 4: Simplify right side
    38,365.13x = 1,187,470,891.60
  5. Step 5: Solve for x
    x = 1,187,470,891.60/38,365.13
  6. Step 6: Final answer
    x = 30,951.83

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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.