Home / 54,289.80-81,434.70-36,575.10

Finding the Fourth Proportional to 54,289.80, 81,434.70 and 36,575.10

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Solution

The fourth proportional to 54,289.80, 81,434.70 and 36,575.10 is: 54,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.80 : 81,434.70 = 36,575.10 : x
  2. Step 2: Convert to fraction form
    54,289.80/81,434.70 = 36,575.10/x
  3. Step 3: Cross multiply
    54,289.80x = 81,434.70 × 36,575.10
  4. Step 4: Simplify right side
    54,289.80x = 2,978,482,295.97
  5. Step 5: Solve for x
    x = 2,978,482,295.97/54,289.80
  6. Step 6: Final answer
    x = 54,862.65

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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.