Home / 31,459.30-47,197.11-11,738

Finding the Fourth Proportional to 31,459.30, 47,197.11 and 11,738

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Solution

The fourth proportional to 31,459.30, 47,197.11 and 11,738 is: 17,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.30 : 47,197.11 = 11,738 : x
  2. Step 2: Convert to fraction form
    31,459.30/47,197.11 = 11,738/x
  3. Step 3: Cross multiply
    31,459.30x = 47,197.11 × 11,738
  4. Step 4: Simplify right side
    31,459.30x = 553,999,677.18
  5. Step 5: Solve for x
    x = 553,999,677.18/31,459.30
  6. Step 6: Final answer
    x = 17,610.04

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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.