Home / 47,920.65-71,894.87-19,835.52

Finding the Fourth Proportional to 47,920.65, 71,894.87 and 19,835.52

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Solution

The fourth proportional to 47,920.65, 71,894.87 and 19,835.52 is: 29,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.65 : 71,894.87 = 19,835.52 : x
  2. Step 2: Convert to fraction form
    47,920.65/71,894.87 = 19,835.52/x
  3. Step 3: Cross multiply
    47,920.65x = 71,894.87 × 19,835.52
  4. Step 4: Simplify right side
    47,920.65x = 1,426,072,032.60
  5. Step 5: Solve for x
    x = 1,426,072,032.60/47,920.65
  6. Step 6: Final answer
    x = 29,759.03

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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.