Home / 45,971.08-68,917.11-15,981.39

Finding the Fourth Proportional to 45,971.08, 68,917.11 and 15,981.39

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Solution

The fourth proportional to 45,971.08, 68,917.11 and 15,981.39 is: 23,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,971.08 : 68,917.11 = 15,981.39 : x
  2. Step 2: Convert to fraction form
    45,971.08/68,917.11 = 15,981.39/x
  3. Step 3: Cross multiply
    45,971.08x = 68,917.11 × 15,981.39
  4. Step 4: Simplify right side
    45,971.08x = 1,101,391,212.58
  5. Step 5: Solve for x
    x = 1,101,391,212.58/45,971.08
  6. Step 6: Final answer
    x = 23,958.35

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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.