Home / 54,969.12-75,857.78-29,818.80

Finding the Fourth Proportional to 54,969.12, 75,857.78 and 29,818.80

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Solution

The fourth proportional to 54,969.12, 75,857.78 and 29,818.80 is: 41,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.12 : 75,857.78 = 29,818.80 : x
  2. Step 2: Convert to fraction form
    54,969.12/75,857.78 = 29,818.80/x
  3. Step 3: Cross multiply
    54,969.12x = 75,857.78 × 29,818.80
  4. Step 4: Simplify right side
    54,969.12x = 2,261,987,970.26
  5. Step 5: Solve for x
    x = 2,261,987,970.26/54,969.12
  6. Step 6: Final answer
    x = 41,150.16

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1.5x scale

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.