Home / 47,791.12-65,955.44-28,671.61

Finding the Fourth Proportional to 47,791.12, 65,955.44 and 28,671.61

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Solution

The fourth proportional to 47,791.12, 65,955.44 and 28,671.61 is: 39,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,791.12 : 65,955.44 = 28,671.61 : x
  2. Step 2: Convert to fraction form
    47,791.12/65,955.44 = 28,671.61/x
  3. Step 3: Cross multiply
    47,791.12x = 65,955.44 × 28,671.61
  4. Step 4: Simplify right side
    47,791.12x = 1,891,048,653.06
  5. Step 5: Solve for x
    x = 1,891,048,653.06/47,791.12
  6. Step 6: Final answer
    x = 39,569.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.