Home / 35,924.32-53,911.14-12,550.78

Finding the Fourth Proportional to 35,924.32, 53,911.14 and 12,550.78

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Solution

The fourth proportional to 35,924.32, 53,911.14 and 12,550.78 is: 18,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,924.32 : 53,911.14 = 12,550.78 : x
  2. Step 2: Convert to fraction form
    35,924.32/53,911.14 = 12,550.78/x
  3. Step 3: Cross multiply
    35,924.32x = 53,911.14 × 12,550.78
  4. Step 4: Simplify right side
    35,924.32x = 676,626,857.69
  5. Step 5: Solve for x
    x = 676,626,857.69/35,924.32
  6. Step 6: Final answer
    x = 18,834.79

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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.