Home / 41,212-61,815.12-21,501.68

Finding the Fourth Proportional to 41,212, 61,815.12 and 21,501.68

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Solution

The fourth proportional to 41,212, 61,815.12 and 21,501.68 is: 32,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212 : 61,815.12 = 21,501.68 : x
  2. Step 2: Convert to fraction form
    41,212/61,815.12 = 21,501.68/x
  3. Step 3: Cross multiply
    41,212x = 61,815.12 × 21,501.68
  4. Step 4: Simplify right side
    41,212x = 1,329,128,929.40
  5. Step 5: Solve for x
    x = 1,329,128,929.40/41,212
  6. Step 6: Final answer
    x = 32,251.02

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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.