Home / 40,560.09-60,842.30-12,499.42

Finding the Fourth Proportional to 40,560.09, 60,842.30 and 12,499.42

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Solution

The fourth proportional to 40,560.09, 60,842.30 and 12,499.42 is: 18,749.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,560.09 : 60,842.30 = 12,499.42 : x
  2. Step 2: Convert to fraction form
    40,560.09/60,842.30 = 12,499.42/x
  3. Step 3: Cross multiply
    40,560.09x = 60,842.30 × 12,499.42
  4. Step 4: Simplify right side
    40,560.09x = 760,493,246.86
  5. Step 5: Solve for x
    x = 760,493,246.86/40,560.09
  6. Step 6: Final answer
    x = 18,749.79

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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.