Home / 47,881.44-71,647.20-28,169.28

Finding the Fourth Proportional to 47,881.44, 71,647.20 and 28,169.28

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Solution

The fourth proportional to 47,881.44, 71,647.20 and 28,169.28 is: 42,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.44 : 71,647.20 = 28,169.28 : x
  2. Step 2: Convert to fraction form
    47,881.44/71,647.20 = 28,169.28/x
  3. Step 3: Cross multiply
    47,881.44x = 71,647.20 × 28,169.28
  4. Step 4: Simplify right side
    47,881.44x = 2,018,250,038.02
  5. Step 5: Solve for x
    x = 2,018,250,038.02/47,881.44
  6. Step 6: Final answer
    x = 42,150.99

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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.