Home / 42,926.91-64,390.06-13,344.70

Finding the Fourth Proportional to 42,926.91, 64,390.06 and 13,344.70

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Solution

The fourth proportional to 42,926.91, 64,390.06 and 13,344.70 is: 20,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.91 : 64,390.06 = 13,344.70 : x
  2. Step 2: Convert to fraction form
    42,926.91/64,390.06 = 13,344.70/x
  3. Step 3: Cross multiply
    42,926.91x = 64,390.06 × 13,344.70
  4. Step 4: Simplify right side
    42,926.91x = 859,266,033.68
  5. Step 5: Solve for x
    x = 859,266,033.68/42,926.91
  6. Step 6: Final answer
    x = 20,016.96

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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.