Home / 54,839.76-75,678.87-29,689.26

Finding the Fourth Proportional to 54,839.76, 75,678.87 and 29,689.26

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Solution

The fourth proportional to 54,839.76, 75,678.87 and 29,689.26 is: 40,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.76 : 75,678.87 = 29,689.26 : x
  2. Step 2: Convert to fraction form
    54,839.76/75,678.87 = 29,689.26/x
  3. Step 3: Cross multiply
    54,839.76x = 75,678.87 × 29,689.26
  4. Step 4: Simplify right side
    54,839.76x = 2,246,849,647.94
  5. Step 5: Solve for x
    x = 2,246,849,647.94/54,839.76
  6. Step 6: Final answer
    x = 40,971.18

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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.