Home / 41,110.80-61,666.20-21,427.80

Finding the Fourth Proportional to 41,110.80, 61,666.20 and 21,427.80

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Solution

The fourth proportional to 41,110.80, 61,666.20 and 21,427.80 is: 32,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,110.80 : 61,666.20 = 21,427.80 : x
  2. Step 2: Convert to fraction form
    41,110.80/61,666.20 = 21,427.80/x
  3. Step 3: Cross multiply
    41,110.80x = 61,666.20 × 21,427.80
  4. Step 4: Simplify right side
    41,110.80x = 1,321,371,000.36
  5. Step 5: Solve for x
    x = 1,321,371,000.36/41,110.80
  6. Step 6: Final answer
    x = 32,141.70

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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.