Home / 40,279.20-60,411.24-16,905.84

Finding the Fourth Proportional to 40,279.20, 60,411.24 and 16,905.84

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Solution

The fourth proportional to 40,279.20, 60,411.24 and 16,905.84 is: 25,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.20 : 60,411.24 = 16,905.84 : x
  2. Step 2: Convert to fraction form
    40,279.20/60,411.24 = 16,905.84/x
  3. Step 3: Cross multiply
    40,279.20x = 60,411.24 × 16,905.84
  4. Step 4: Simplify right side
    40,279.20x = 1,021,302,757.64
  5. Step 5: Solve for x
    x = 1,021,302,757.64/40,279.20
  6. Step 6: Final answer
    x = 25,355.59

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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.