Home / 43,159.27-64,717.02-19,765.66

Finding the Fourth Proportional to 43,159.27, 64,717.02 and 19,765.66

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Solution

The fourth proportional to 43,159.27, 64,717.02 and 19,765.66 is: 29,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159.27 : 64,717.02 = 19,765.66 : x
  2. Step 2: Convert to fraction form
    43,159.27/64,717.02 = 19,765.66/x
  3. Step 3: Cross multiply
    43,159.27x = 64,717.02 × 19,765.66
  4. Step 4: Simplify right side
    43,159.27x = 1,279,174,613.53
  5. Step 5: Solve for x
    x = 1,279,174,613.53/43,159.27
  6. Step 6: Final answer
    x = 29,638.47

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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.