Home / 47,865.06-66,044.16-28,991.25

Finding the Fourth Proportional to 47,865.06, 66,044.16 and 28,991.25

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Solution

The fourth proportional to 47,865.06, 66,044.16 and 28,991.25 is: 40,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.06 : 66,044.16 = 28,991.25 : x
  2. Step 2: Convert to fraction form
    47,865.06/66,044.16 = 28,991.25/x
  3. Step 3: Cross multiply
    47,865.06x = 66,044.16 × 28,991.25
  4. Step 4: Simplify right side
    47,865.06x = 1,914,702,753.60
  5. Step 5: Solve for x
    x = 1,914,702,753.60/47,865.06
  6. Step 6: Final answer
    x = 40,002.10

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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.