Home / 47,851.44-66,038.04-28,993.20

Finding the Fourth Proportional to 47,851.44, 66,038.04 and 28,993.20

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Solution

The fourth proportional to 47,851.44, 66,038.04 and 28,993.20 is: 40,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.44 : 66,038.04 = 28,993.20 : x
  2. Step 2: Convert to fraction form
    47,851.44/66,038.04 = 28,993.20/x
  3. Step 3: Cross multiply
    47,851.44x = 66,038.04 × 28,993.20
  4. Step 4: Simplify right side
    47,851.44x = 1,914,654,101.33
  5. Step 5: Solve for x
    x = 1,914,654,101.33/47,851.44
  6. Step 6: Final answer
    x = 40,012.47

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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.