Home / 47,934.47-71,910.93-21,639.22

Finding the Fourth Proportional to 47,934.47, 71,910.93 and 21,639.22

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Solution

The fourth proportional to 47,934.47, 71,910.93 and 21,639.22 is: 32,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.47 : 71,910.93 = 21,639.22 : x
  2. Step 2: Convert to fraction form
    47,934.47/71,910.93 = 21,639.22/x
  3. Step 3: Cross multiply
    47,934.47x = 71,910.93 × 21,639.22
  4. Step 4: Simplify right side
    47,934.47x = 1,556,096,434.67
  5. Step 5: Solve for x
    x = 1,556,096,434.67/47,934.47
  6. Step 6: Final answer
    x = 32,462.99

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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.