Home / 54,901.18-82,402.80-21,644.20

Finding the Fourth Proportional to 54,901.18, 82,402.80 and 21,644.20

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Solution

The fourth proportional to 54,901.18, 82,402.80 and 21,644.20 is: 32,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.18 : 82,402.80 = 21,644.20 : x
  2. Step 2: Convert to fraction form
    54,901.18/82,402.80 = 21,644.20/x
  3. Step 3: Cross multiply
    54,901.18x = 82,402.80 × 21,644.20
  4. Step 4: Simplify right side
    54,901.18x = 1,783,542,683.76
  5. Step 5: Solve for x
    x = 1,783,542,683.76/54,901.18
  6. Step 6: Final answer
    x = 32,486.42

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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.