Home / 40,151.18-55,238.85-39,044.01

Finding the Fourth Proportional to 40,151.18, 55,238.85 and 39,044.01

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Solution

The fourth proportional to 40,151.18, 55,238.85 and 39,044.01 is: 53,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.18 : 55,238.85 = 39,044.01 : x
  2. Step 2: Convert to fraction form
    40,151.18/55,238.85 = 39,044.01/x
  3. Step 3: Cross multiply
    40,151.18x = 55,238.85 × 39,044.01
  4. Step 4: Simplify right side
    40,151.18x = 2,156,746,211.79
  5. Step 5: Solve for x
    x = 2,156,746,211.79/40,151.18
  6. Step 6: Final answer
    x = 53,715.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.