Home / 51,520.60-77,258.61-17,790.17

Finding the Fourth Proportional to 51,520.60, 77,258.61 and 17,790.17

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Solution

The fourth proportional to 51,520.60, 77,258.61 and 17,790.17 is: 26,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.60 : 77,258.61 = 17,790.17 : x
  2. Step 2: Convert to fraction form
    51,520.60/77,258.61 = 17,790.17/x
  3. Step 3: Cross multiply
    51,520.60x = 77,258.61 × 17,790.17
  4. Step 4: Simplify right side
    51,520.60x = 1,374,443,805.86
  5. Step 5: Solve for x
    x = 1,374,443,805.86/51,520.60
  6. Step 6: Final answer
    x = 26,677.56

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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.