Home / 54,655.15-81,982.74-42,193.37

Finding the Fourth Proportional to 54,655.15, 81,982.74 and 42,193.37

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Solution

The fourth proportional to 54,655.15, 81,982.74 and 42,193.37 is: 63,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.15 : 81,982.74 = 42,193.37 : x
  2. Step 2: Convert to fraction form
    54,655.15/81,982.74 = 42,193.37/x
  3. Step 3: Cross multiply
    54,655.15x = 81,982.74 × 42,193.37
  4. Step 4: Simplify right side
    54,655.15x = 3,459,127,672.52
  5. Step 5: Solve for x
    x = 3,459,127,672.52/54,655.15
  6. Step 6: Final answer
    x = 63,290.06

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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.