Home / 31,610.90-47,423.20-16,817.68

Finding the Fourth Proportional to 31,610.90, 47,423.20 and 16,817.68

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Solution

The fourth proportional to 31,610.90, 47,423.20 and 16,817.68 is: 25,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.90 : 47,423.20 = 16,817.68 : x
  2. Step 2: Convert to fraction form
    31,610.90/47,423.20 = 16,817.68/x
  3. Step 3: Cross multiply
    31,610.90x = 47,423.20 × 16,817.68
  4. Step 4: Simplify right side
    31,610.90x = 797,548,202.18
  5. Step 5: Solve for x
    x = 797,548,202.18/31,610.90
  6. Step 6: Final answer
    x = 25,230.16

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1.5x scale

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.