Home / 54,839.59-75,678.87-29,689.09

Finding the Fourth Proportional to 54,839.59, 75,678.87 and 29,689.09

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Solution

The fourth proportional to 54,839.59, 75,678.87 and 29,689.09 is: 40,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.59 : 75,678.87 = 29,689.09 : x
  2. Step 2: Convert to fraction form
    54,839.59/75,678.87 = 29,689.09/x
  3. Step 3: Cross multiply
    54,839.59x = 75,678.87 × 29,689.09
  4. Step 4: Simplify right side
    54,839.59x = 2,246,836,782.53
  5. Step 5: Solve for x
    x = 2,246,836,782.53/54,839.59
  6. Step 6: Final answer
    x = 40,971.07

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1.5x scale

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.