Home / 40,147.80-60,221.51-10,162.32

Finding the Fourth Proportional to 40,147.80, 60,221.51 and 10,162.32

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Solution

The fourth proportional to 40,147.80, 60,221.51 and 10,162.32 is: 15,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.80 : 60,221.51 = 10,162.32 : x
  2. Step 2: Convert to fraction form
    40,147.80/60,221.51 = 10,162.32/x
  3. Step 3: Cross multiply
    40,147.80x = 60,221.51 × 10,162.32
  4. Step 4: Simplify right side
    40,147.80x = 611,990,204.69
  5. Step 5: Solve for x
    x = 611,990,204.69/40,147.80
  6. Step 6: Final answer
    x = 15,243.43

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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.