Home / 54,053.62-81,080.42-39,356.07

Finding the Fourth Proportional to 54,053.62, 81,080.42 and 39,356.07

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Solution

The fourth proportional to 54,053.62, 81,080.42 and 39,356.07 is: 59,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,053.62 : 81,080.42 = 39,356.07 : x
  2. Step 2: Convert to fraction form
    54,053.62/81,080.42 = 39,356.07/x
  3. Step 3: Cross multiply
    54,053.62x = 81,080.42 × 39,356.07
  4. Step 4: Simplify right side
    54,053.62x = 3,191,006,685.15
  5. Step 5: Solve for x
    x = 3,191,006,685.15/54,053.62
  6. Step 6: Final answer
    x = 59,034.10

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1.5x scale

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.