Home / 40,983.72-61,475.22-13,281.72

Finding the Fourth Proportional to 40,983.72, 61,475.22 and 13,281.72

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Solution

The fourth proportional to 40,983.72, 61,475.22 and 13,281.72 is: 19,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.72 : 61,475.22 = 13,281.72 : x
  2. Step 2: Convert to fraction form
    40,983.72/61,475.22 = 13,281.72/x
  3. Step 3: Cross multiply
    40,983.72x = 61,475.22 × 13,281.72
  4. Step 4: Simplify right side
    40,983.72x = 816,496,658.98
  5. Step 5: Solve for x
    x = 816,496,658.98/40,983.72
  6. Step 6: Final answer
    x = 19,922.46

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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.