Home / 54,991.28-75,888.02-29,840.78

Finding the Fourth Proportional to 54,991.28, 75,888.02 and 29,840.78

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Solution

The fourth proportional to 54,991.28, 75,888.02 and 29,840.78 is: 41,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,991.28 : 75,888.02 = 29,840.78 : x
  2. Step 2: Convert to fraction form
    54,991.28/75,888.02 = 29,840.78/x
  3. Step 3: Cross multiply
    54,991.28x = 75,888.02 × 29,840.78
  4. Step 4: Simplify right side
    54,991.28x = 2,264,557,709.46
  5. Step 5: Solve for x
    x = 2,264,557,709.46/54,991.28
  6. Step 6: Final answer
    x = 41,180.31

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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.