Home / 40,235.64-60,337.17-12,147

Finding the Fourth Proportional to 40,235.64, 60,337.17 and 12,147

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Solution

The fourth proportional to 40,235.64, 60,337.17 and 12,147 is: 18,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.64 : 60,337.17 = 12,147 : x
  2. Step 2: Convert to fraction form
    40,235.64/60,337.17 = 12,147/x
  3. Step 3: Cross multiply
    40,235.64x = 60,337.17 × 12,147
  4. Step 4: Simplify right side
    40,235.64x = 732,915,603.99
  5. Step 5: Solve for x
    x = 732,915,603.99/40,235.64
  6. Step 6: Final answer
    x = 18,215.58

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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.