Home / 47,431.86-71,155.51-22,156.64

Finding the Fourth Proportional to 47,431.86, 71,155.51 and 22,156.64

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Solution

The fourth proportional to 47,431.86, 71,155.51 and 22,156.64 is: 33,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.86 : 71,155.51 = 22,156.64 : x
  2. Step 2: Convert to fraction form
    47,431.86/71,155.51 = 22,156.64/x
  3. Step 3: Cross multiply
    47,431.86x = 71,155.51 × 22,156.64
  4. Step 4: Simplify right side
    47,431.86x = 1,576,567,019.09
  5. Step 5: Solve for x
    x = 1,576,567,019.09/47,431.86
  6. Step 6: Final answer
    x = 33,238.57

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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.