Home / 31,344.72-47,017.31-9,173.55

Finding the Fourth Proportional to 31,344.72, 47,017.31 and 9,173.55

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Solution

The fourth proportional to 31,344.72, 47,017.31 and 9,173.55 is: 13,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.72 : 47,017.31 = 9,173.55 : x
  2. Step 2: Convert to fraction form
    31,344.72/47,017.31 = 9,173.55/x
  3. Step 3: Cross multiply
    31,344.72x = 47,017.31 × 9,173.55
  4. Step 4: Simplify right side
    31,344.72x = 431,315,598.28
  5. Step 5: Solve for x
    x = 431,315,598.28/31,344.72
  6. Step 6: Final answer
    x = 13,760.39

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1.5x scale

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.