Home / 37,925.92-56,888.64-20,404

Finding the Fourth Proportional to 37,925.92, 56,888.64 and 20,404

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Solution

The fourth proportional to 37,925.92, 56,888.64 and 20,404 is: 30,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,925.92 : 56,888.64 = 20,404 : x
  2. Step 2: Convert to fraction form
    37,925.92/56,888.64 = 20,404/x
  3. Step 3: Cross multiply
    37,925.92x = 56,888.64 × 20,404
  4. Step 4: Simplify right side
    37,925.92x = 1,160,755,810.56
  5. Step 5: Solve for x
    x = 1,160,755,810.56/37,925.92
  6. Step 6: Final answer
    x = 30,605.87

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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.