Home / 64,721.28-97,082.56-17,974.40

Finding the Fourth Proportional to 64,721.28, 97,082.56 and 17,974.40

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Solution

The fourth proportional to 64,721.28, 97,082.56 and 17,974.40 is: 26,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.28 : 97,082.56 = 17,974.40 : x
  2. Step 2: Convert to fraction form
    64,721.28/97,082.56 = 17,974.40/x
  3. Step 3: Cross multiply
    64,721.28x = 97,082.56 × 17,974.40
  4. Step 4: Simplify right side
    64,721.28x = 1,745,000,766.46
  5. Step 5: Solve for x
    x = 1,745,000,766.46/64,721.28
  6. Step 6: Final answer
    x = 26,961.78

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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.