Home / 54,283.55-81,406.13-25,817.15

Finding the Fourth Proportional to 54,283.55, 81,406.13 and 25,817.15

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Solution

The fourth proportional to 54,283.55, 81,406.13 and 25,817.15 is: 38,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.55 : 81,406.13 = 25,817.15 : x
  2. Step 2: Convert to fraction form
    54,283.55/81,406.13 = 25,817.15/x
  3. Step 3: Cross multiply
    54,283.55x = 81,406.13 × 25,817.15
  4. Step 4: Simplify right side
    54,283.55x = 2,101,674,140.04
  5. Step 5: Solve for x
    x = 2,101,674,140.04/54,283.55
  6. Step 6: Final answer
    x = 38,716.59

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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.