Home / 36,139.80-54,209.70-33,515.40

Finding the Fourth Proportional to 36,139.80, 54,209.70 and 33,515.40

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Solution

The fourth proportional to 36,139.80, 54,209.70 and 33,515.40 is: 50,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.80 : 54,209.70 = 33,515.40 : x
  2. Step 2: Convert to fraction form
    36,139.80/54,209.70 = 33,515.40/x
  3. Step 3: Cross multiply
    36,139.80x = 54,209.70 × 33,515.40
  4. Step 4: Simplify right side
    36,139.80x = 1,816,859,779.38
  5. Step 5: Solve for x
    x = 1,816,859,779.38/36,139.80
  6. Step 6: Final answer
    x = 50,273.10

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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.