Home / 49,530.66-74,295.21-19,947.72

Finding the Fourth Proportional to 49,530.66, 74,295.21 and 19,947.72

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Solution

The fourth proportional to 49,530.66, 74,295.21 and 19,947.72 is: 29,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.66 : 74,295.21 = 19,947.72 : x
  2. Step 2: Convert to fraction form
    49,530.66/74,295.21 = 19,947.72/x
  3. Step 3: Cross multiply
    49,530.66x = 74,295.21 × 19,947.72
  4. Step 4: Simplify right side
    49,530.66x = 1,482,020,046.42
  5. Step 5: Solve for x
    x = 1,482,020,046.42/49,530.66
  6. Step 6: Final answer
    x = 29,921.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.