Home / 54,975.19-75,818.87-42,259.18

Finding the Fourth Proportional to 54,975.19, 75,818.87 and 42,259.18

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Solution

The fourth proportional to 54,975.19, 75,818.87 and 42,259.18 is: 58,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.19 : 75,818.87 = 42,259.18 : x
  2. Step 2: Convert to fraction form
    54,975.19/75,818.87 = 42,259.18/x
  3. Step 3: Cross multiply
    54,975.19x = 75,818.87 × 42,259.18
  4. Step 4: Simplify right side
    54,975.19x = 3,204,043,001.28
  5. Step 5: Solve for x
    x = 3,204,043,001.28/54,975.19
  6. Step 6: Final answer
    x = 58,281.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.