Home / 40,154.86-60,287.46-20,446.66

Finding the Fourth Proportional to 40,154.86, 60,287.46 and 20,446.66

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Solution

The fourth proportional to 40,154.86, 60,287.46 and 20,446.66 is: 30,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.86 : 60,287.46 = 20,446.66 : x
  2. Step 2: Convert to fraction form
    40,154.86/60,287.46 = 20,446.66/x
  3. Step 3: Cross multiply
    40,154.86x = 60,287.46 × 20,446.66
  4. Step 4: Simplify right side
    40,154.86x = 1,232,677,196.88
  5. Step 5: Solve for x
    x = 1,232,677,196.88/40,154.86
  6. Step 6: Final answer
    x = 30,698.08

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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.