Home / 40,456.11-60,674.43-12,376.41

Finding the Fourth Proportional to 40,456.11, 60,674.43 and 12,376.41

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Solution

The fourth proportional to 40,456.11, 60,674.43 and 12,376.41 is: 18,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.11 : 60,674.43 = 12,376.41 : x
  2. Step 2: Convert to fraction form
    40,456.11/60,674.43 = 12,376.41/x
  3. Step 3: Cross multiply
    40,456.11x = 60,674.43 × 12,376.41
  4. Step 4: Simplify right side
    40,456.11x = 750,931,689.55
  5. Step 5: Solve for x
    x = 750,931,689.55/40,456.11
  6. Step 6: Final answer
    x = 18,561.64

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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.