Home / 31,975.16-47,962.64-8,601.62

Finding the Fourth Proportional to 31,975.16, 47,962.64 and 8,601.62

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Solution

The fourth proportional to 31,975.16, 47,962.64 and 8,601.62 is: 12,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.16 : 47,962.64 = 8,601.62 : x
  2. Step 2: Convert to fraction form
    31,975.16/47,962.64 = 8,601.62/x
  3. Step 3: Cross multiply
    31,975.16x = 47,962.64 × 8,601.62
  4. Step 4: Simplify right side
    31,975.16x = 412,556,403.48
  5. Step 5: Solve for x
    x = 412,556,403.48/31,975.16
  6. Step 6: Final answer
    x = 12,902.40

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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.