Home / 47,745.28-71,593.32-21,427.47

Finding the Fourth Proportional to 47,745.28, 71,593.32 and 21,427.47

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Solution

The fourth proportional to 47,745.28, 71,593.32 and 21,427.47 is: 32,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,745.28 : 71,593.32 = 21,427.47 : x
  2. Step 2: Convert to fraction form
    47,745.28/71,593.32 = 21,427.47/x
  3. Step 3: Cross multiply
    47,745.28x = 71,593.32 × 21,427.47
  4. Step 4: Simplify right side
    47,745.28x = 1,534,063,716.50
  5. Step 5: Solve for x
    x = 1,534,063,716.50/47,745.28
  6. Step 6: Final answer
    x = 32,130.16

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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.