Home / 31,880.49-47,819.12-9,693.38

Finding the Fourth Proportional to 31,880.49, 47,819.12 and 9,693.38

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Solution

The fourth proportional to 31,880.49, 47,819.12 and 9,693.38 is: 14,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.49 : 47,819.12 = 9,693.38 : x
  2. Step 2: Convert to fraction form
    31,880.49/47,819.12 = 9,693.38/x
  3. Step 3: Cross multiply
    31,880.49x = 47,819.12 × 9,693.38
  4. Step 4: Simplify right side
    31,880.49x = 463,528,613.86
  5. Step 5: Solve for x
    x = 463,528,613.86/31,880.49
  6. Step 6: Final answer
    x = 14,539.57

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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.