Home / 82,231.74-123,347.58-29,628.90

Finding the Fourth Proportional to 82,231.74, 123,347.58 and 29,628.90

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Solution

The fourth proportional to 82,231.74, 123,347.58 and 29,628.90 is: 44,443.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231.74 : 123,347.58 = 29,628.90 : x
  2. Step 2: Convert to fraction form
    82,231.74/123,347.58 = 29,628.90/x
  3. Step 3: Cross multiply
    82,231.74x = 123,347.58 × 29,628.90
  4. Step 4: Simplify right side
    82,231.74x = 3,654,653,113.06
  5. Step 5: Solve for x
    x = 3,654,653,113.06/82,231.74
  6. Step 6: Final answer
    x = 44,443.34

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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.