Home / 35,874.18-49,502.70-20,763.81

Finding the Fourth Proportional to 35,874.18, 49,502.70 and 20,763.81

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Solution

The fourth proportional to 35,874.18, 49,502.70 and 20,763.81 is: 28,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.18 : 49,502.70 = 20,763.81 : x
  2. Step 2: Convert to fraction form
    35,874.18/49,502.70 = 20,763.81/x
  3. Step 3: Cross multiply
    35,874.18x = 49,502.70 × 20,763.81
  4. Step 4: Simplify right side
    35,874.18x = 1,027,864,657.29
  5. Step 5: Solve for x
    x = 1,027,864,657.29/35,874.18
  6. Step 6: Final answer
    x = 28,651.93

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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.