Home / 51,144.56-76,727.28-21,562.40

Finding the Fourth Proportional to 51,144.56, 76,727.28 and 21,562.40

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Solution

The fourth proportional to 51,144.56, 76,727.28 and 21,562.40 is: 32,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.56 : 76,727.28 = 21,562.40 : x
  2. Step 2: Convert to fraction form
    51,144.56/76,727.28 = 21,562.40/x
  3. Step 3: Cross multiply
    51,144.56x = 76,727.28 × 21,562.40
  4. Step 4: Simplify right side
    51,144.56x = 1,654,424,302.27
  5. Step 5: Solve for x
    x = 1,654,424,302.27/51,144.56
  6. Step 6: Final answer
    x = 32,348.00

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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.