Home / 60,254.76-90,378.18-20,812.44

Finding the Fourth Proportional to 60,254.76, 90,378.18 and 20,812.44

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Solution

The fourth proportional to 60,254.76, 90,378.18 and 20,812.44 is: 31,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,254.76 : 90,378.18 = 20,812.44 : x
  2. Step 2: Convert to fraction form
    60,254.76/90,378.18 = 20,812.44/x
  3. Step 3: Cross multiply
    60,254.76x = 90,378.18 × 20,812.44
  4. Step 4: Simplify right side
    60,254.76x = 1,880,990,448.56
  5. Step 5: Solve for x
    x = 1,880,990,448.56/60,254.76
  6. Step 6: Final answer
    x = 31,217.29

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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.