Home / 54,570.28-75,298.72-30,702.82

Finding the Fourth Proportional to 54,570.28, 75,298.72 and 30,702.82

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Solution

The fourth proportional to 54,570.28, 75,298.72 and 30,702.82 is: 42,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.28 : 75,298.72 = 30,702.82 : x
  2. Step 2: Convert to fraction form
    54,570.28/75,298.72 = 30,702.82/x
  3. Step 3: Cross multiply
    54,570.28x = 75,298.72 × 30,702.82
  4. Step 4: Simplify right side
    54,570.28x = 2,311,883,046.39
  5. Step 5: Solve for x
    x = 2,311,883,046.39/54,570.28
  6. Step 6: Final answer
    x = 42,365.24

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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.