Home / 45,008.76-67,475.33-21,302.60

Finding the Fourth Proportional to 45,008.76, 67,475.33 and 21,302.60

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Solution

The fourth proportional to 45,008.76, 67,475.33 and 21,302.60 is: 31,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.76 : 67,475.33 = 21,302.60 : x
  2. Step 2: Convert to fraction form
    45,008.76/67,475.33 = 21,302.60/x
  3. Step 3: Cross multiply
    45,008.76x = 67,475.33 × 21,302.60
  4. Step 4: Simplify right side
    45,008.76x = 1,437,399,600.85
  5. Step 5: Solve for x
    x = 1,437,399,600.85/45,008.76
  6. Step 6: Final answer
    x = 31,935.99

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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.