Home / 54,553.01-81,793.26-21,276.18

Finding the Fourth Proportional to 54,553.01, 81,793.26 and 21,276.18

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Solution

The fourth proportional to 54,553.01, 81,793.26 and 21,276.18 is: 31,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.01 : 81,793.26 = 21,276.18 : x
  2. Step 2: Convert to fraction form
    54,553.01/81,793.26 = 21,276.18/x
  3. Step 3: Cross multiply
    54,553.01x = 81,793.26 × 21,276.18
  4. Step 4: Simplify right side
    54,553.01x = 1,740,248,122.55
  5. Step 5: Solve for x
    x = 1,740,248,122.55/54,553.01
  6. Step 6: Final answer
    x = 31,900.13

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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.