Home / 54,032.80-81,000.60-34,301.20

Finding the Fourth Proportional to 54,032.80, 81,000.60 and 34,301.20

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Solution

The fourth proportional to 54,032.80, 81,000.60 and 34,301.20 is: 51,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,032.80 : 81,000.60 = 34,301.20 : x
  2. Step 2: Convert to fraction form
    54,032.80/81,000.60 = 34,301.20/x
  3. Step 3: Cross multiply
    54,032.80x = 81,000.60 × 34,301.20
  4. Step 4: Simplify right side
    54,032.80x = 2,778,417,780.72
  5. Step 5: Solve for x
    x = 2,778,417,780.72/54,032.80
  6. Step 6: Final answer
    x = 51,420.95

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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.