Home / 54,159.40-81,202.02-28,862.68

Finding the Fourth Proportional to 54,159.40, 81,202.02 and 28,862.68

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Solution

The fourth proportional to 54,159.40, 81,202.02 and 28,862.68 is: 43,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.40 : 81,202.02 = 28,862.68 : x
  2. Step 2: Convert to fraction form
    54,159.40/81,202.02 = 28,862.68/x
  3. Step 3: Cross multiply
    54,159.40x = 81,202.02 × 28,862.68
  4. Step 4: Simplify right side
    54,159.40x = 2,343,707,918.61
  5. Step 5: Solve for x
    x = 2,343,707,918.61/54,159.40
  6. Step 6: Final answer
    x = 43,274.26

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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.