Home / 31,436.06-47,154.49-9,249.91

Finding the Fourth Proportional to 31,436.06, 47,154.49 and 9,249.91

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Solution

The fourth proportional to 31,436.06, 47,154.49 and 9,249.91 is: 13,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.06 : 47,154.49 = 9,249.91 : x
  2. Step 2: Convert to fraction form
    31,436.06/47,154.49 = 9,249.91/x
  3. Step 3: Cross multiply
    31,436.06x = 47,154.49 × 9,249.91
  4. Step 4: Simplify right side
    31,436.06x = 436,174,647.58
  5. Step 5: Solve for x
    x = 436,174,647.58/31,436.06
  6. Step 6: Final answer
    x = 13,874.98

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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.