Home / 40,617.69-60,937.40-12,536.61

Finding the Fourth Proportional to 40,617.69, 60,937.40 and 12,536.61

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Solution

The fourth proportional to 40,617.69, 60,937.40 and 12,536.61 is: 18,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,617.69 : 60,937.40 = 12,536.61 : x
  2. Step 2: Convert to fraction form
    40,617.69/60,937.40 = 12,536.61/x
  3. Step 3: Cross multiply
    40,617.69x = 60,937.40 × 12,536.61
  4. Step 4: Simplify right side
    40,617.69x = 763,948,050.84
  5. Step 5: Solve for x
    x = 763,948,050.84/40,617.69
  6. Step 6: Final answer
    x = 18,808.26

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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.