Home / 47,965.78-71,998.58-35,329.81

Finding the Fourth Proportional to 47,965.78, 71,998.58 and 35,329.81

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Solution

The fourth proportional to 47,965.78, 71,998.58 and 35,329.81 is: 53,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.78 : 71,998.58 = 35,329.81 : x
  2. Step 2: Convert to fraction form
    47,965.78/71,998.58 = 35,329.81/x
  3. Step 3: Cross multiply
    47,965.78x = 71,998.58 × 35,329.81
  4. Step 4: Simplify right side
    47,965.78x = 2,543,696,151.67
  5. Step 5: Solve for x
    x = 2,543,696,151.67/47,965.78
  6. Step 6: Final answer
    x = 53,031.48

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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.