Home / 31,769.93-47,654.09-8,396.57

Finding the Fourth Proportional to 31,769.93, 47,654.09 and 8,396.57

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Solution

The fourth proportional to 31,769.93, 47,654.09 and 8,396.57 is: 12,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.93 : 47,654.09 = 8,396.57 : x
  2. Step 2: Convert to fraction form
    31,769.93/47,654.09 = 8,396.57/x
  3. Step 3: Cross multiply
    31,769.93x = 47,654.09 × 8,396.57
  4. Step 4: Simplify right side
    31,769.93x = 400,130,979.62
  5. Step 5: Solve for x
    x = 400,130,979.62/31,769.93
  6. Step 6: Final answer
    x = 12,594.64

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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.