Home / 38,715.60-53,432.31-23,612.88

Finding the Fourth Proportional to 38,715.60, 53,432.31 and 23,612.88

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Solution

The fourth proportional to 38,715.60, 53,432.31 and 23,612.88 is: 32,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.60 : 53,432.31 = 23,612.88 : x
  2. Step 2: Convert to fraction form
    38,715.60/53,432.31 = 23,612.88/x
  3. Step 3: Cross multiply
    38,715.60x = 53,432.31 × 23,612.88
  4. Step 4: Simplify right side
    38,715.60x = 1,261,690,724.15
  5. Step 5: Solve for x
    x = 1,261,690,724.15/38,715.60
  6. Step 6: Final answer
    x = 32,588.69

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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.