Home / 54,814.68-75,642.66-30,943.58

Finding the Fourth Proportional to 54,814.68, 75,642.66 and 30,943.58

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Solution

The fourth proportional to 54,814.68, 75,642.66 and 30,943.58 is: 42,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,814.68 : 75,642.66 = 30,943.58 : x
  2. Step 2: Convert to fraction form
    54,814.68/75,642.66 = 30,943.58/x
  3. Step 3: Cross multiply
    54,814.68x = 75,642.66 × 30,943.58
  4. Step 4: Simplify right side
    54,814.68x = 2,340,654,322.91
  5. Step 5: Solve for x
    x = 2,340,654,322.91/54,814.68
  6. Step 6: Final answer
    x = 42,701.23

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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.