Home / 35,642.29-49,197.32-20,545.05

Finding the Fourth Proportional to 35,642.29, 49,197.32 and 20,545.05

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Solution

The fourth proportional to 35,642.29, 49,197.32 and 20,545.05 is: 28,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.29 : 49,197.32 = 20,545.05 : x
  2. Step 2: Convert to fraction form
    35,642.29/49,197.32 = 20,545.05/x
  3. Step 3: Cross multiply
    35,642.29x = 49,197.32 × 20,545.05
  4. Step 4: Simplify right side
    35,642.29x = 1,010,761,153.28
  5. Step 5: Solve for x
    x = 1,010,761,153.28/35,642.29
  6. Step 6: Final answer
    x = 28,358.48

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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.