Home / 40,962.40-61,440.64-15,997.76

Finding the Fourth Proportional to 40,962.40, 61,440.64 and 15,997.76

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Solution

The fourth proportional to 40,962.40, 61,440.64 and 15,997.76 is: 23,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,962.40 : 61,440.64 = 15,997.76 : x
  2. Step 2: Convert to fraction form
    40,962.40/61,440.64 = 15,997.76/x
  3. Step 3: Cross multiply
    40,962.40x = 61,440.64 × 15,997.76
  4. Step 4: Simplify right side
    40,962.40x = 982,912,612.97
  5. Step 5: Solve for x
    x = 982,912,612.97/40,962.40
  6. Step 6: Final answer
    x = 23,995.48

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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.