Home / 31,419.96-47,136.92-10,366.53

Finding the Fourth Proportional to 31,419.96, 47,136.92 and 10,366.53

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Solution

The fourth proportional to 31,419.96, 47,136.92 and 10,366.53 is: 15,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.96 : 47,136.92 = 10,366.53 : x
  2. Step 2: Convert to fraction form
    31,419.96/47,136.92 = 10,366.53/x
  3. Step 3: Cross multiply
    31,419.96x = 47,136.92 × 10,366.53
  4. Step 4: Simplify right side
    31,419.96x = 488,646,243.45
  5. Step 5: Solve for x
    x = 488,646,243.45/31,419.96
  6. Step 6: Final answer
    x = 15,552.10

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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.