Home / 34,331.40-51,497.10-12,144.60

Finding the Fourth Proportional to 34,331.40, 51,497.10 and 12,144.60

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Solution

The fourth proportional to 34,331.40, 51,497.10 and 12,144.60 is: 18,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,331.40 : 51,497.10 = 12,144.60 : x
  2. Step 2: Convert to fraction form
    34,331.40/51,497.10 = 12,144.60/x
  3. Step 3: Cross multiply
    34,331.40x = 51,497.10 × 12,144.60
  4. Step 4: Simplify right side
    34,331.40x = 625,411,680.66
  5. Step 5: Solve for x
    x = 625,411,680.66/34,331.40
  6. Step 6: Final answer
    x = 18,216.90

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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.