Home / 47,982.20-66,222.50-31,026.13

Finding the Fourth Proportional to 47,982.20, 66,222.50 and 31,026.13

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Solution

The fourth proportional to 47,982.20, 66,222.50 and 31,026.13 is: 42,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.20 : 66,222.50 = 31,026.13 : x
  2. Step 2: Convert to fraction form
    47,982.20/66,222.50 = 31,026.13/x
  3. Step 3: Cross multiply
    47,982.20x = 66,222.50 × 31,026.13
  4. Step 4: Simplify right side
    47,982.20x = 2,054,627,573.24
  5. Step 5: Solve for x
    x = 2,054,627,573.24/47,982.20
  6. Step 6: Final answer
    x = 42,820.62

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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.