Home / 40,254.30-60,381.45-20,571.30

Finding the Fourth Proportional to 40,254.30, 60,381.45 and 20,571.30

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Solution

The fourth proportional to 40,254.30, 60,381.45 and 20,571.30 is: 30,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,254.30 : 60,381.45 = 20,571.30 : x
  2. Step 2: Convert to fraction form
    40,254.30/60,381.45 = 20,571.30/x
  3. Step 3: Cross multiply
    40,254.30x = 60,381.45 × 20,571.30
  4. Step 4: Simplify right side
    40,254.30x = 1,242,124,922.39
  5. Step 5: Solve for x
    x = 1,242,124,922.39/40,254.30
  6. Step 6: Final answer
    x = 30,856.95

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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.