Home / 36,690.31-55,023.94-15,630.13

Finding the Fourth Proportional to 36,690.31, 55,023.94 and 15,630.13

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Solution

The fourth proportional to 36,690.31, 55,023.94 and 15,630.13 is: 23,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.31 : 55,023.94 = 15,630.13 : x
  2. Step 2: Convert to fraction form
    36,690.31/55,023.94 = 15,630.13/x
  3. Step 3: Cross multiply
    36,690.31x = 55,023.94 × 15,630.13
  4. Step 4: Simplify right side
    36,690.31x = 860,031,335.31
  5. Step 5: Solve for x
    x = 860,031,335.31/36,690.31
  6. Step 6: Final answer
    x = 23,440.29

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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.