Home / 84,801.47-127,220.66-25,635.60

Finding the Fourth Proportional to 84,801.47, 127,220.66 and 25,635.60

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Solution

The fourth proportional to 84,801.47, 127,220.66 and 25,635.60 is: 38,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.47 : 127,220.66 = 25,635.60 : x
  2. Step 2: Convert to fraction form
    84,801.47/127,220.66 = 25,635.60/x
  3. Step 3: Cross multiply
    84,801.47x = 127,220.66 × 25,635.60
  4. Step 4: Simplify right side
    84,801.47x = 3,261,377,951.50
  5. Step 5: Solve for x
    x = 3,261,377,951.50/84,801.47
  6. Step 6: Final answer
    x = 38,458.98

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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.