Home / 31,968.23-47,946.56-8,589.20

Finding the Fourth Proportional to 31,968.23, 47,946.56 and 8,589.20

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Solution

The fourth proportional to 31,968.23, 47,946.56 and 8,589.20 is: 12,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.23 : 47,946.56 = 8,589.20 : x
  2. Step 2: Convert to fraction form
    31,968.23/47,946.56 = 8,589.20/x
  3. Step 3: Cross multiply
    31,968.23x = 47,946.56 × 8,589.20
  4. Step 4: Simplify right side
    31,968.23x = 411,822,310.47
  5. Step 5: Solve for x
    x = 411,822,310.47/31,968.23
  6. Step 6: Final answer
    x = 12,882.24

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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.