Home / 31,743.52-47,626.80-10,969.12

Finding the Fourth Proportional to 31,743.52, 47,626.80 and 10,969.12

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Solution

The fourth proportional to 31,743.52, 47,626.80 and 10,969.12 is: 16,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.52 : 47,626.80 = 10,969.12 : x
  2. Step 2: Convert to fraction form
    31,743.52/47,626.80 = 10,969.12/x
  3. Step 3: Cross multiply
    31,743.52x = 47,626.80 × 10,969.12
  4. Step 4: Simplify right side
    31,743.52x = 522,424,084.42
  5. Step 5: Solve for x
    x = 522,424,084.42/31,743.52
  6. Step 6: Final answer
    x = 16,457.66

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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.