Home / 38,865.60-53,599.32-25,432.56

Finding the Fourth Proportional to 38,865.60, 53,599.32 and 25,432.56

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Solution

The fourth proportional to 38,865.60, 53,599.32 and 25,432.56 is: 35,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865.60 : 53,599.32 = 25,432.56 : x
  2. Step 2: Convert to fraction form
    38,865.60/53,599.32 = 25,432.56/x
  3. Step 3: Cross multiply
    38,865.60x = 53,599.32 × 25,432.56
  4. Step 4: Simplify right side
    38,865.60x = 1,363,167,921.86
  5. Step 5: Solve for x
    x = 1,363,167,921.86/38,865.60
  6. Step 6: Final answer
    x = 35,073.89

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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.