Home / 47,470.70-65,517.75-28,607.82

Finding the Fourth Proportional to 47,470.70, 65,517.75 and 28,607.82

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Solution

The fourth proportional to 47,470.70, 65,517.75 and 28,607.82 is: 39,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,470.70 : 65,517.75 = 28,607.82 : x
  2. Step 2: Convert to fraction form
    47,470.70/65,517.75 = 28,607.82/x
  3. Step 3: Cross multiply
    47,470.70x = 65,517.75 × 28,607.82
  4. Step 4: Simplify right side
    47,470.70x = 1,874,319,998.81
  5. Step 5: Solve for x
    x = 1,874,319,998.81/47,470.70
  6. Step 6: Final answer
    x = 39,483.73

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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.