Home / 34,431.72-47,523.46-21,854.12

Finding the Fourth Proportional to 34,431.72, 47,523.46 and 21,854.12

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Solution

The fourth proportional to 34,431.72, 47,523.46 and 21,854.12 is: 30,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.72 : 47,523.46 = 21,854.12 : x
  2. Step 2: Convert to fraction form
    34,431.72/47,523.46 = 21,854.12/x
  3. Step 3: Cross multiply
    34,431.72x = 47,523.46 × 21,854.12
  4. Step 4: Simplify right side
    34,431.72x = 1,038,583,397.66
  5. Step 5: Solve for x
    x = 1,038,583,397.66/34,431.72
  6. Step 6: Final answer
    x = 30,163.56

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1.5x scale

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.