Home / 38,708.87-53,405.62-22,572.52

Finding the Fourth Proportional to 38,708.87, 53,405.62 and 22,572.52

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Solution

The fourth proportional to 38,708.87, 53,405.62 and 22,572.52 is: 31,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,708.87 : 53,405.62 = 22,572.52 : x
  2. Step 2: Convert to fraction form
    38,708.87/53,405.62 = 22,572.52/x
  3. Step 3: Cross multiply
    38,708.87x = 53,405.62 × 22,572.52
  4. Step 4: Simplify right side
    38,708.87x = 1,205,499,235.62
  5. Step 5: Solve for x
    x = 1,205,499,235.62/38,708.87
  6. Step 6: Final answer
    x = 31,142.72

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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.