Home / 31,353.58-47,034.79-9,168.63

Finding the Fourth Proportional to 31,353.58, 47,034.79 and 9,168.63

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Solution

The fourth proportional to 31,353.58, 47,034.79 and 9,168.63 is: 13,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.58 : 47,034.79 = 9,168.63 : x
  2. Step 2: Convert to fraction form
    31,353.58/47,034.79 = 9,168.63/x
  3. Step 3: Cross multiply
    31,353.58x = 47,034.79 × 9,168.63
  4. Step 4: Simplify right side
    31,353.58x = 431,244,305.62
  5. Step 5: Solve for x
    x = 431,244,305.62/31,353.58
  6. Step 6: Final answer
    x = 13,754.23

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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.