Home / 49,439.41-74,159.07-19,857.25

Finding the Fourth Proportional to 49,439.41, 74,159.07 and 19,857.25

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Solution

The fourth proportional to 49,439.41, 74,159.07 and 19,857.25 is: 29,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,439.41 : 74,159.07 = 19,857.25 : x
  2. Step 2: Convert to fraction form
    49,439.41/74,159.07 = 19,857.25/x
  3. Step 3: Cross multiply
    49,439.41x = 74,159.07 × 19,857.25
  4. Step 4: Simplify right side
    49,439.41x = 1,472,595,192.76
  5. Step 5: Solve for x
    x = 1,472,595,192.76/49,439.41
  6. Step 6: Final answer
    x = 29,785.86

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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.