Home / 45,658.11-63,048.33-28,691.85

Finding the Fourth Proportional to 45,658.11, 63,048.33 and 28,691.85

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Solution

The fourth proportional to 45,658.11, 63,048.33 and 28,691.85 is: 39,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.11 : 63,048.33 = 28,691.85 : x
  2. Step 2: Convert to fraction form
    45,658.11/63,048.33 = 28,691.85/x
  3. Step 3: Cross multiply
    45,658.11x = 63,048.33 × 28,691.85
  4. Step 4: Simplify right side
    45,658.11x = 1,808,973,227.11
  5. Step 5: Solve for x
    x = 1,808,973,227.11/45,658.11
  6. Step 6: Final answer
    x = 39,619.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.