Home / 47,920.15-71,894.11-19,835.02

Finding the Fourth Proportional to 47,920.15, 71,894.11 and 19,835.02

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Solution

The fourth proportional to 47,920.15, 71,894.11 and 19,835.02 is: 29,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.15 : 71,894.11 = 19,835.02 : x
  2. Step 2: Convert to fraction form
    47,920.15/71,894.11 = 19,835.02/x
  3. Step 3: Cross multiply
    47,920.15x = 71,894.11 × 19,835.02
  4. Step 4: Simplify right side
    47,920.15x = 1,426,021,109.73
  5. Step 5: Solve for x
    x = 1,426,021,109.73/47,920.15
  6. Step 6: Final answer
    x = 29,758.28

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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.