Home / 37,331.28-55,962.36-12,690

Finding the Fourth Proportional to 37,331.28, 55,962.36 and 12,690

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Solution

The fourth proportional to 37,331.28, 55,962.36 and 12,690 is: 19,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,331.28 : 55,962.36 = 12,690 : x
  2. Step 2: Convert to fraction form
    37,331.28/55,962.36 = 12,690/x
  3. Step 3: Cross multiply
    37,331.28x = 55,962.36 × 12,690
  4. Step 4: Simplify right side
    37,331.28x = 710,162,348.40
  5. Step 5: Solve for x
    x = 710,162,348.40/37,331.28
  6. Step 6: Final answer
    x = 19,023.25

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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.