Home / 36,071.66-54,110.16-12,380.96

Finding the Fourth Proportional to 36,071.66, 54,110.16 and 12,380.96

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Solution

The fourth proportional to 36,071.66, 54,110.16 and 12,380.96 is: 18,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.66 : 54,110.16 = 12,380.96 : x
  2. Step 2: Convert to fraction form
    36,071.66/54,110.16 = 12,380.96/x
  3. Step 3: Cross multiply
    36,071.66x = 54,110.16 × 12,380.96
  4. Step 4: Simplify right side
    36,071.66x = 669,935,726.55
  5. Step 5: Solve for x
    x = 669,935,726.55/36,071.66
  6. Step 6: Final answer
    x = 18,572.36

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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.