Home / 54,718.20-75,511.62-30,842.76

Finding the Fourth Proportional to 54,718.20, 75,511.62 and 30,842.76

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Solution

The fourth proportional to 54,718.20, 75,511.62 and 30,842.76 is: 42,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.20 : 75,511.62 = 30,842.76 : x
  2. Step 2: Convert to fraction form
    54,718.20/75,511.62 = 30,842.76/x
  3. Step 3: Cross multiply
    54,718.20x = 75,511.62 × 30,842.76
  4. Step 4: Simplify right side
    54,718.20x = 2,328,986,772.87
  5. Step 5: Solve for x
    x = 2,328,986,772.87/54,718.20
  6. Step 6: Final answer
    x = 42,563.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.