Home / 29,169.52-40,273.30-22,443.28

Finding the Fourth Proportional to 29,169.52, 40,273.30 and 22,443.28

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Solution

The fourth proportional to 29,169.52, 40,273.30 and 22,443.28 is: 30,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.52 : 40,273.30 = 22,443.28 : x
  2. Step 2: Convert to fraction form
    29,169.52/40,273.30 = 22,443.28/x
  3. Step 3: Cross multiply
    29,169.52x = 40,273.30 × 22,443.28
  4. Step 4: Simplify right side
    29,169.52x = 903,864,875.79
  5. Step 5: Solve for x
    x = 903,864,875.79/29,169.52
  6. Step 6: Final answer
    x = 30,986.62

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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.