Home / 54,915.34-75,782.66-30,716.02

Finding the Fourth Proportional to 54,915.34, 75,782.66 and 30,716.02

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Solution

The fourth proportional to 54,915.34, 75,782.66 and 30,716.02 is: 42,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.34 : 75,782.66 = 30,716.02 : x
  2. Step 2: Convert to fraction form
    54,915.34/75,782.66 = 30,716.02/x
  3. Step 3: Cross multiply
    54,915.34x = 75,782.66 × 30,716.02
  4. Step 4: Simplify right side
    54,915.34x = 2,327,741,700.21
  5. Step 5: Solve for x
    x = 2,327,741,700.21/54,915.34
  6. Step 6: Final answer
    x = 42,387.82

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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.