Home / 40,701.86-61,045.79-12,238.38

Finding the Fourth Proportional to 40,701.86, 61,045.79 and 12,238.38

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Solution

The fourth proportional to 40,701.86, 61,045.79 and 12,238.38 is: 18,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701.86 : 61,045.79 = 12,238.38 : x
  2. Step 2: Convert to fraction form
    40,701.86/61,045.79 = 12,238.38/x
  3. Step 3: Cross multiply
    40,701.86x = 61,045.79 × 12,238.38
  4. Step 4: Simplify right side
    40,701.86x = 747,101,575.42
  5. Step 5: Solve for x
    x = 747,101,575.42/40,701.86
  6. Step 6: Final answer
    x = 18,355.47

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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.