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Finding the Fourth Proportional to 60,268.72, 90,401.56 and 20,822.08

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Solution

The fourth proportional to 60,268.72, 90,401.56 and 20,822.08 is: 31,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.72 : 90,401.56 = 20,822.08 : x
  2. Step 2: Convert to fraction form
    60,268.72/90,401.56 = 20,822.08/x
  3. Step 3: Cross multiply
    60,268.72x = 90,401.56 × 20,822.08
  4. Step 4: Simplify right side
    60,268.72x = 1,882,348,514.44
  5. Step 5: Solve for x
    x = 1,882,348,514.44/60,268.72
  6. Step 6: Final answer
    x = 31,232.59

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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.