Home / 40,451.50-60,680.40-18,277.30

Finding the Fourth Proportional to 40,451.50, 60,680.40 and 18,277.30

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Solution

The fourth proportional to 40,451.50, 60,680.40 and 18,277.30 is: 27,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.50 : 60,680.40 = 18,277.30 : x
  2. Step 2: Convert to fraction form
    40,451.50/60,680.40 = 18,277.30/x
  3. Step 3: Cross multiply
    40,451.50x = 60,680.40 × 18,277.30
  4. Step 4: Simplify right side
    40,451.50x = 1,109,073,874.92
  5. Step 5: Solve for x
    x = 1,109,073,874.92/40,451.50
  6. Step 6: Final answer
    x = 27,417.37

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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.