Home / 40,328.40-60,514.20-18,145.20

Finding the Fourth Proportional to 40,328.40, 60,514.20 and 18,145.20

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Solution

The fourth proportional to 40,328.40, 60,514.20 and 18,145.20 is: 27,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.40 : 60,514.20 = 18,145.20 : x
  2. Step 2: Convert to fraction form
    40,328.40/60,514.20 = 18,145.20/x
  3. Step 3: Cross multiply
    40,328.40x = 60,514.20 × 18,145.20
  4. Step 4: Simplify right side
    40,328.40x = 1,098,042,261.84
  5. Step 5: Solve for x
    x = 1,098,042,261.84/40,328.40
  6. Step 6: Final answer
    x = 27,227.52

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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.