Home / 54,084.04-81,089.14-18,535.72

Finding the Fourth Proportional to 54,084.04, 81,089.14 and 18,535.72

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Solution

The fourth proportional to 54,084.04, 81,089.14 and 18,535.72 is: 27,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.04 : 81,089.14 = 18,535.72 : x
  2. Step 2: Convert to fraction form
    54,084.04/81,089.14 = 18,535.72/x
  3. Step 3: Cross multiply
    54,084.04x = 81,089.14 × 18,535.72
  4. Step 4: Simplify right side
    54,084.04x = 1,503,045,594.08
  5. Step 5: Solve for x
    x = 1,503,045,594.08/54,084.04
  6. Step 6: Final answer
    x = 27,790.93

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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.