Home / 53,512.97-80,270.15-20,248.70

Finding the Fourth Proportional to 53,512.97, 80,270.15 and 20,248.70

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Solution

The fourth proportional to 53,512.97, 80,270.15 and 20,248.70 is: 30,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.97 : 80,270.15 = 20,248.70 : x
  2. Step 2: Convert to fraction form
    53,512.97/80,270.15 = 20,248.70/x
  3. Step 3: Cross multiply
    53,512.97x = 80,270.15 × 20,248.70
  4. Step 4: Simplify right side
    53,512.97x = 1,625,365,683.71
  5. Step 5: Solve for x
    x = 1,625,365,683.71/53,512.97
  6. Step 6: Final answer
    x = 30,373.31

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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.