Home / 40,162.50-60,226.20-21,438.27

Finding the Fourth Proportional to 40,162.50, 60,226.20 and 21,438.27

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Solution

The fourth proportional to 40,162.50, 60,226.20 and 21,438.27 is: 32,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.50 : 60,226.20 = 21,438.27 : x
  2. Step 2: Convert to fraction form
    40,162.50/60,226.20 = 21,438.27/x
  3. Step 3: Cross multiply
    40,162.50x = 60,226.20 × 21,438.27
  4. Step 4: Simplify right side
    40,162.50x = 1,291,145,536.67
  5. Step 5: Solve for x
    x = 1,291,145,536.67/40,162.50
  6. Step 6: Final answer
    x = 32,148.04

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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.