Home / 38,924.64-53,719.20-22,158.72

Finding the Fourth Proportional to 38,924.64, 53,719.20 and 22,158.72

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Solution

The fourth proportional to 38,924.64, 53,719.20 and 22,158.72 is: 30,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924.64 : 53,719.20 = 22,158.72 : x
  2. Step 2: Convert to fraction form
    38,924.64/53,719.20 = 22,158.72/x
  3. Step 3: Cross multiply
    38,924.64x = 53,719.20 × 22,158.72
  4. Step 4: Simplify right side
    38,924.64x = 1,190,348,711.42
  5. Step 5: Solve for x
    x = 1,190,348,711.42/38,924.64
  6. Step 6: Final answer
    x = 30,580.85

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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.