Home / 49,378.06-74,065.40-19,787.94

Finding the Fourth Proportional to 49,378.06, 74,065.40 and 19,787.94

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Solution

The fourth proportional to 49,378.06, 74,065.40 and 19,787.94 is: 29,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.06 : 74,065.40 = 19,787.94 : x
  2. Step 2: Convert to fraction form
    49,378.06/74,065.40 = 19,787.94/x
  3. Step 3: Cross multiply
    49,378.06x = 74,065.40 × 19,787.94
  4. Step 4: Simplify right side
    49,378.06x = 1,465,601,691.28
  5. Step 5: Solve for x
    x = 1,465,601,691.28/49,378.06
  6. Step 6: Final answer
    x = 29,681.23

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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.