Home / 38,686.64-53,391.88-22,775.04

Finding the Fourth Proportional to 38,686.64, 53,391.88 and 22,775.04

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Solution

The fourth proportional to 38,686.64, 53,391.88 and 22,775.04 is: 31,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.64 : 53,391.88 = 22,775.04 : x
  2. Step 2: Convert to fraction form
    38,686.64/53,391.88 = 22,775.04/x
  3. Step 3: Cross multiply
    38,686.64x = 53,391.88 × 22,775.04
  4. Step 4: Simplify right side
    38,686.64x = 1,216,002,202.68
  5. Step 5: Solve for x
    x = 1,216,002,202.68/38,686.64
  6. Step 6: Final answer
    x = 31,432.10

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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.