Home / 42,748.67-64,123.01-11,583.92

Finding the Fourth Proportional to 42,748.67, 64,123.01 and 11,583.92

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Solution

The fourth proportional to 42,748.67, 64,123.01 and 11,583.92 is: 17,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748.67 : 64,123.01 = 11,583.92 : x
  2. Step 2: Convert to fraction form
    42,748.67/64,123.01 = 11,583.92/x
  3. Step 3: Cross multiply
    42,748.67x = 64,123.01 × 11,583.92
  4. Step 4: Simplify right side
    42,748.67x = 742,795,818.00
  5. Step 5: Solve for x
    x = 742,795,818.00/42,748.67
  6. Step 6: Final answer
    x = 17,375.88

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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.