Home / 53,962.30-80,943.45-30,634.30

Finding the Fourth Proportional to 53,962.30, 80,943.45 and 30,634.30

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Solution

The fourth proportional to 53,962.30, 80,943.45 and 30,634.30 is: 45,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.30 : 80,943.45 = 30,634.30 : x
  2. Step 2: Convert to fraction form
    53,962.30/80,943.45 = 30,634.30/x
  3. Step 3: Cross multiply
    53,962.30x = 80,943.45 × 30,634.30
  4. Step 4: Simplify right side
    53,962.30x = 2,479,645,930.34
  5. Step 5: Solve for x
    x = 2,479,645,930.34/53,962.30
  6. Step 6: Final answer
    x = 45,951.45

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Similar ratio
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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.