Home / 38,721.60-57,965.40-35,025.48

Finding the Fourth Proportional to 38,721.60, 57,965.40 and 35,025.48

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Solution

The fourth proportional to 38,721.60, 57,965.40 and 35,025.48 is: 52,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.60 : 57,965.40 = 35,025.48 : x
  2. Step 2: Convert to fraction form
    38,721.60/57,965.40 = 35,025.48/x
  3. Step 3: Cross multiply
    38,721.60x = 57,965.40 × 35,025.48
  4. Step 4: Simplify right side
    38,721.60x = 2,030,265,958.39
  5. Step 5: Solve for x
    x = 2,030,265,958.39/38,721.60
  6. Step 6: Final answer
    x = 52,432.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.