Home / 36,600.75-54,856.13-20,818.91

Finding the Fourth Proportional to 36,600.75, 54,856.13 and 20,818.91

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Solution

The fourth proportional to 36,600.75, 54,856.13 and 20,818.91 is: 31,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,600.75 : 54,856.13 = 20,818.91 : x
  2. Step 2: Convert to fraction form
    36,600.75/54,856.13 = 20,818.91/x
  3. Step 3: Cross multiply
    36,600.75x = 54,856.13 × 20,818.91
  4. Step 4: Simplify right side
    36,600.75x = 1,142,044,455.04
  5. Step 5: Solve for x
    x = 1,142,044,455.04/36,600.75
  6. Step 6: Final answer
    x = 31,202.76

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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.