Home / 29,139.59-43,681.01-18,576.65

Finding the Fourth Proportional to 29,139.59, 43,681.01 and 18,576.65

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Solution

The fourth proportional to 29,139.59, 43,681.01 and 18,576.65 is: 27,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.59 : 43,681.01 = 18,576.65 : x
  2. Step 2: Convert to fraction form
    29,139.59/43,681.01 = 18,576.65/x
  3. Step 3: Cross multiply
    29,139.59x = 43,681.01 × 18,576.65
  4. Step 4: Simplify right side
    29,139.59x = 811,446,523.13
  5. Step 5: Solve for x
    x = 811,446,523.13/29,139.59
  6. Step 6: Final answer
    x = 27,846.88

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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.