Home / 38,937.61-58,408.35-18,965.44

Finding the Fourth Proportional to 38,937.61, 58,408.35 and 18,965.44

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Solution

The fourth proportional to 38,937.61, 58,408.35 and 18,965.44 is: 28,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.61 : 58,408.35 = 18,965.44 : x
  2. Step 2: Convert to fraction form
    38,937.61/58,408.35 = 18,965.44/x
  3. Step 3: Cross multiply
    38,937.61x = 58,408.35 × 18,965.44
  4. Step 4: Simplify right side
    38,937.61x = 1,107,740,057.42
  5. Step 5: Solve for x
    x = 1,107,740,057.42/38,937.61
  6. Step 6: Final answer
    x = 28,449.10

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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.