Home / 38,720.46-53,442.24-22,808.82

Finding the Fourth Proportional to 38,720.46, 53,442.24 and 22,808.82

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Solution

The fourth proportional to 38,720.46, 53,442.24 and 22,808.82 is: 31,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.46 : 53,442.24 = 22,808.82 : x
  2. Step 2: Convert to fraction form
    38,720.46/53,442.24 = 22,808.82/x
  3. Step 3: Cross multiply
    38,720.46x = 53,442.24 × 22,808.82
  4. Step 4: Simplify right side
    38,720.46x = 1,218,954,432.56
  5. Step 5: Solve for x
    x = 1,218,954,432.56/38,720.46
  6. Step 6: Final answer
    x = 31,480.89

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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.