Home / 40,315.33-60,422.86-21,549.05

Finding the Fourth Proportional to 40,315.33, 60,422.86 and 21,549.05

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Solution

The fourth proportional to 40,315.33, 60,422.86 and 21,549.05 is: 32,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.33 : 60,422.86 = 21,549.05 : x
  2. Step 2: Convert to fraction form
    40,315.33/60,422.86 = 21,549.05/x
  3. Step 3: Cross multiply
    40,315.33x = 60,422.86 × 21,549.05
  4. Step 4: Simplify right side
    40,315.33x = 1,302,055,231.28
  5. Step 5: Solve for x
    x = 1,302,055,231.28/40,315.33
  6. Step 6: Final answer
    x = 32,296.78

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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.