Home / 40,153.13-60,229.71-12,451.13

Finding the Fourth Proportional to 40,153.13, 60,229.71 and 12,451.13

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Solution

The fourth proportional to 40,153.13, 60,229.71 and 12,451.13 is: 18,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.13 : 60,229.71 = 12,451.13 : x
  2. Step 2: Convert to fraction form
    40,153.13/60,229.71 = 12,451.13/x
  3. Step 3: Cross multiply
    40,153.13x = 60,229.71 × 12,451.13
  4. Step 4: Simplify right side
    40,153.13x = 749,927,647.92
  5. Step 5: Solve for x
    x = 749,927,647.92/40,153.13
  6. Step 6: Final answer
    x = 18,676.69

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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.