Home / 54,460.68-81,641.55-19,392.12

Finding the Fourth Proportional to 54,460.68, 81,641.55 and 19,392.12

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Solution

The fourth proportional to 54,460.68, 81,641.55 and 19,392.12 is: 29,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,460.68 : 81,641.55 = 19,392.12 : x
  2. Step 2: Convert to fraction form
    54,460.68/81,641.55 = 19,392.12/x
  3. Step 3: Cross multiply
    54,460.68x = 81,641.55 × 19,392.12
  4. Step 4: Simplify right side
    54,460.68x = 1,583,202,734.59
  5. Step 5: Solve for x
    x = 1,583,202,734.59/54,460.68
  6. Step 6: Final answer
    x = 29,070.56

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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.