Home / 36,444.05-54,673.75-20,656.65

Finding the Fourth Proportional to 36,444.05, 54,673.75 and 20,656.65

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Solution

The fourth proportional to 36,444.05, 54,673.75 and 20,656.65 is: 30,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,444.05 : 54,673.75 = 20,656.65 : x
  2. Step 2: Convert to fraction form
    36,444.05/54,673.75 = 20,656.65/x
  3. Step 3: Cross multiply
    36,444.05x = 54,673.75 × 20,656.65
  4. Step 4: Simplify right side
    36,444.05x = 1,129,376,517.94
  5. Step 5: Solve for x
    x = 1,129,376,517.94/36,444.05
  6. Step 6: Final answer
    x = 30,989.33

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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.