Home / 36,302.40-54,380.70-20,701.80

Finding the Fourth Proportional to 36,302.40, 54,380.70 and 20,701.80

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Solution

The fourth proportional to 36,302.40, 54,380.70 and 20,701.80 is: 31,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,302.40 : 54,380.70 = 20,701.80 : x
  2. Step 2: Convert to fraction form
    36,302.40/54,380.70 = 20,701.80/x
  3. Step 3: Cross multiply
    36,302.40x = 54,380.70 × 20,701.80
  4. Step 4: Simplify right side
    36,302.40x = 1,125,778,375.26
  5. Step 5: Solve for x
    x = 1,125,778,375.26/36,302.40
  6. Step 6: Final answer
    x = 31,011.13

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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.