Home / 60,900.22-91,348.26-21,456.30

Finding the Fourth Proportional to 60,900.22, 91,348.26 and 21,456.30

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Solution

The fourth proportional to 60,900.22, 91,348.26 and 21,456.30 is: 32,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,900.22 : 91,348.26 = 21,456.30 : x
  2. Step 2: Convert to fraction form
    60,900.22/91,348.26 = 21,456.30/x
  3. Step 3: Cross multiply
    60,900.22x = 91,348.26 × 21,456.30
  4. Step 4: Simplify right side
    60,900.22x = 1,959,995,671.04
  5. Step 5: Solve for x
    x = 1,959,995,671.04/60,900.22
  6. Step 6: Final answer
    x = 32,183.72

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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.