Home / 31,510.74-47,284.49-11,803.14

Finding the Fourth Proportional to 31,510.74, 47,284.49 and 11,803.14

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Solution

The fourth proportional to 31,510.74, 47,284.49 and 11,803.14 is: 17,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.74 : 47,284.49 = 11,803.14 : x
  2. Step 2: Convert to fraction form
    31,510.74/47,284.49 = 11,803.14/x
  3. Step 3: Cross multiply
    31,510.74x = 47,284.49 × 11,803.14
  4. Step 4: Simplify right side
    31,510.74x = 558,105,396.28
  5. Step 5: Solve for x
    x = 558,105,396.28/31,510.74
  6. Step 6: Final answer
    x = 17,711.59

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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.