Home / 40,045.87-60,105.19-21,341.89

Finding the Fourth Proportional to 40,045.87, 60,105.19 and 21,341.89

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Solution

The fourth proportional to 40,045.87, 60,105.19 and 21,341.89 is: 32,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.87 : 60,105.19 = 21,341.89 : x
  2. Step 2: Convert to fraction form
    40,045.87/60,105.19 = 21,341.89/x
  3. Step 3: Cross multiply
    40,045.87x = 60,105.19 × 21,341.89
  4. Step 4: Simplify right side
    40,045.87x = 1,282,758,149.79
  5. Step 5: Solve for x
    x = 1,282,758,149.79/40,045.87
  6. Step 6: Final answer
    x = 32,032.22

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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.