Home / 54,765.06-82,159.56-21,488.10

Finding the Fourth Proportional to 54,765.06, 82,159.56 and 21,488.10

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Solution

The fourth proportional to 54,765.06, 82,159.56 and 21,488.10 is: 32,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.06 : 82,159.56 = 21,488.10 : x
  2. Step 2: Convert to fraction form
    54,765.06/82,159.56 = 21,488.10/x
  3. Step 3: Cross multiply
    54,765.06x = 82,159.56 × 21,488.10
  4. Step 4: Simplify right side
    54,765.06x = 1,765,452,841.24
  5. Step 5: Solve for x
    x = 1,765,452,841.24/54,765.06
  6. Step 6: Final answer
    x = 32,236.85

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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.