Home / 47,678.18-71,517.81-14,398.52

Finding the Fourth Proportional to 47,678.18, 71,517.81 and 14,398.52

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Solution

The fourth proportional to 47,678.18, 71,517.81 and 14,398.52 is: 21,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.18 : 71,517.81 = 14,398.52 : x
  2. Step 2: Convert to fraction form
    47,678.18/71,517.81 = 14,398.52/x
  3. Step 3: Cross multiply
    47,678.18x = 71,517.81 × 14,398.52
  4. Step 4: Simplify right side
    47,678.18x = 1,029,750,260.05
  5. Step 5: Solve for x
    x = 1,029,750,260.05/47,678.18
  6. Step 6: Final answer
    x = 21,597.94

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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.