Home / 49,515.30-74,309.40-19,954.35

Finding the Fourth Proportional to 49,515.30, 74,309.40 and 19,954.35

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Solution

The fourth proportional to 49,515.30, 74,309.40 and 19,954.35 is: 29,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.30 : 74,309.40 = 19,954.35 : x
  2. Step 2: Convert to fraction form
    49,515.30/74,309.40 = 19,954.35/x
  3. Step 3: Cross multiply
    49,515.30x = 74,309.40 × 19,954.35
  4. Step 4: Simplify right side
    49,515.30x = 1,482,795,775.89
  5. Step 5: Solve for x
    x = 1,482,795,775.89/49,515.30
  6. Step 6: Final answer
    x = 29,946.21

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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.