Home / 36,818.50-55,207.68-13,122.35

Finding the Fourth Proportional to 36,818.50, 55,207.68 and 13,122.35

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Solution

The fourth proportional to 36,818.50, 55,207.68 and 13,122.35 is: 19,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.50 : 55,207.68 = 13,122.35 : x
  2. Step 2: Convert to fraction form
    36,818.50/55,207.68 = 13,122.35/x
  3. Step 3: Cross multiply
    36,818.50x = 55,207.68 × 13,122.35
  4. Step 4: Simplify right side
    36,818.50x = 724,454,691.97
  5. Step 5: Solve for x
    x = 724,454,691.97/36,818.50
  6. Step 6: Final answer
    x = 19,676.38

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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.