Home / 42,926.04-64,388.12-11,761.29

Finding the Fourth Proportional to 42,926.04, 64,388.12 and 11,761.29

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Solution

The fourth proportional to 42,926.04, 64,388.12 and 11,761.29 is: 17,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.04 : 64,388.12 = 11,761.29 : x
  2. Step 2: Convert to fraction form
    42,926.04/64,388.12 = 11,761.29/x
  3. Step 3: Cross multiply
    42,926.04x = 64,388.12 × 11,761.29
  4. Step 4: Simplify right side
    42,926.04x = 757,287,293.07
  5. Step 5: Solve for x
    x = 757,287,293.07/42,926.04
  6. Step 6: Final answer
    x = 17,641.68

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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.