Home / 35,176.86-48,544.68-21,747.78

Finding the Fourth Proportional to 35,176.86, 48,544.68 and 21,747.78

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Solution

The fourth proportional to 35,176.86, 48,544.68 and 21,747.78 is: 30,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,176.86 : 48,544.68 = 21,747.78 : x
  2. Step 2: Convert to fraction form
    35,176.86/48,544.68 = 21,747.78/x
  3. Step 3: Cross multiply
    35,176.86x = 48,544.68 × 21,747.78
  4. Step 4: Simplify right side
    35,176.86x = 1,055,739,020.81
  5. Step 5: Solve for x
    x = 1,055,739,020.81/35,176.86
  6. Step 6: Final answer
    x = 30,012.32

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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.