Home / 55,218.55-82,832.02-21,470.06

Finding the Fourth Proportional to 55,218.55, 82,832.02 and 21,470.06

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Solution

The fourth proportional to 55,218.55, 82,832.02 and 21,470.06 is: 32,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.55 : 82,832.02 = 21,470.06 : x
  2. Step 2: Convert to fraction form
    55,218.55/82,832.02 = 21,470.06/x
  3. Step 3: Cross multiply
    55,218.55x = 82,832.02 × 21,470.06
  4. Step 4: Simplify right side
    55,218.55x = 1,778,408,707.78
  5. Step 5: Solve for x
    x = 1,778,408,707.78/55,218.55
  6. Step 6: Final answer
    x = 32,206.73

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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.