Home / 64,876.38-97,306.20-20,507.63

Finding the Fourth Proportional to 64,876.38, 97,306.20 and 20,507.63

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Solution

The fourth proportional to 64,876.38, 97,306.20 and 20,507.63 is: 30,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.38 : 97,306.20 = 20,507.63 : x
  2. Step 2: Convert to fraction form
    64,876.38/97,306.20 = 20,507.63/x
  3. Step 3: Cross multiply
    64,876.38x = 97,306.20 × 20,507.63
  4. Step 4: Simplify right side
    64,876.38x = 1,995,519,059.78
  5. Step 5: Solve for x
    x = 1,995,519,059.78/64,876.38
  6. Step 6: Final answer
    x = 30,758.79

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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.