Home / 43,229.99-64,839.51-11,642.57

Finding the Fourth Proportional to 43,229.99, 64,839.51 and 11,642.57

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Solution

The fourth proportional to 43,229.99, 64,839.51 and 11,642.57 is: 17,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.99 : 64,839.51 = 11,642.57 : x
  2. Step 2: Convert to fraction form
    43,229.99/64,839.51 = 11,642.57/x
  3. Step 3: Cross multiply
    43,229.99x = 64,839.51 × 11,642.57
  4. Step 4: Simplify right side
    43,229.99x = 754,898,209.74
  5. Step 5: Solve for x
    x = 754,898,209.74/43,229.99
  6. Step 6: Final answer
    x = 17,462.38

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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.