Home / 36,284.30-54,374.53-20,669.66

Finding the Fourth Proportional to 36,284.30, 54,374.53 and 20,669.66

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Solution

The fourth proportional to 36,284.30, 54,374.53 and 20,669.66 is: 30,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284.30 : 54,374.53 = 20,669.66 : x
  2. Step 2: Convert to fraction form
    36,284.30/54,374.53 = 20,669.66/x
  3. Step 3: Cross multiply
    36,284.30x = 54,374.53 × 20,669.66
  4. Step 4: Simplify right side
    36,284.30x = 1,123,903,047.76
  5. Step 5: Solve for x
    x = 1,123,903,047.76/36,284.30
  6. Step 6: Final answer
    x = 30,974.91

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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.