Home / 54,970.12-75,859.16-29,819.80

Finding the Fourth Proportional to 54,970.12, 75,859.16 and 29,819.80

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Solution

The fourth proportional to 54,970.12, 75,859.16 and 29,819.80 is: 41,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.12 : 75,859.16 = 29,819.80 : x
  2. Step 2: Convert to fraction form
    54,970.12/75,859.16 = 29,819.80/x
  3. Step 3: Cross multiply
    54,970.12x = 75,859.16 × 29,819.80
  4. Step 4: Simplify right side
    54,970.12x = 2,262,104,979.37
  5. Step 5: Solve for x
    x = 2,262,104,979.37/54,970.12
  6. Step 6: Final answer
    x = 41,151.54

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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.