Home / 31,538.14-47,316.12-9,351.46

Finding the Fourth Proportional to 31,538.14, 47,316.12 and 9,351.46

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Solution

The fourth proportional to 31,538.14, 47,316.12 and 9,351.46 is: 14,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.14 : 47,316.12 = 9,351.46 : x
  2. Step 2: Convert to fraction form
    31,538.14/47,316.12 = 9,351.46/x
  3. Step 3: Cross multiply
    31,538.14x = 47,316.12 × 9,351.46
  4. Step 4: Simplify right side
    31,538.14x = 442,474,803.54
  5. Step 5: Solve for x
    x = 442,474,803.54/31,538.14
  6. Step 6: Final answer
    x = 14,029.83

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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.