Home / 49,735.17-74,575.48-19,719

Finding the Fourth Proportional to 49,735.17, 74,575.48 and 19,719

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Solution

The fourth proportional to 49,735.17, 74,575.48 and 19,719 is: 29,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.17 : 74,575.48 = 19,719 : x
  2. Step 2: Convert to fraction form
    49,735.17/74,575.48 = 19,719/x
  3. Step 3: Cross multiply
    49,735.17x = 74,575.48 × 19,719
  4. Step 4: Simplify right side
    49,735.17x = 1,470,553,890.12
  5. Step 5: Solve for x
    x = 1,470,553,890.12/49,735.17
  6. Step 6: Final answer
    x = 29,567.69

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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.