Home / 36,281.30-54,370.03-20,666.66

Finding the Fourth Proportional to 36,281.30, 54,370.03 and 20,666.66

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Solution

The fourth proportional to 36,281.30, 54,370.03 and 20,666.66 is: 30,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.30 : 54,370.03 = 20,666.66 : x
  2. Step 2: Convert to fraction form
    36,281.30/54,370.03 = 20,666.66/x
  3. Step 3: Cross multiply
    36,281.30x = 54,370.03 × 20,666.66
  4. Step 4: Simplify right side
    36,281.30x = 1,123,646,924.20
  5. Step 5: Solve for x
    x = 1,123,646,924.20/36,281.30
  6. Step 6: Final answer
    x = 30,970.42

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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.