Home / 49,559.30-74,353.52-19,961.90

Finding the Fourth Proportional to 49,559.30, 74,353.52 and 19,961.90

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Solution

The fourth proportional to 49,559.30, 74,353.52 and 19,961.90 is: 29,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,559.30 : 74,353.52 = 19,961.90 : x
  2. Step 2: Convert to fraction form
    49,559.30/74,353.52 = 19,961.90/x
  3. Step 3: Cross multiply
    49,559.30x = 74,353.52 × 19,961.90
  4. Step 4: Simplify right side
    49,559.30x = 1,484,237,209.03
  5. Step 5: Solve for x
    x = 1,484,237,209.03/49,559.30
  6. Step 6: Final answer
    x = 29,948.72

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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.