Home / 54,371.26-81,555.80-30,947.50

Finding the Fourth Proportional to 54,371.26, 81,555.80 and 30,947.50

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Solution

The fourth proportional to 54,371.26, 81,555.80 and 30,947.50 is: 46,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.26 : 81,555.80 = 30,947.50 : x
  2. Step 2: Convert to fraction form
    54,371.26/81,555.80 = 30,947.50/x
  3. Step 3: Cross multiply
    54,371.26x = 81,555.80 × 30,947.50
  4. Step 4: Simplify right side
    54,371.26x = 2,523,948,120.50
  5. Step 5: Solve for x
    x = 2,523,948,120.50/54,371.26
  6. Step 6: Final answer
    x = 46,420.63

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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.