Home / 31,984.20-47,952.61-15,328.38

Finding the Fourth Proportional to 31,984.20, 47,952.61 and 15,328.38

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Solution

The fourth proportional to 31,984.20, 47,952.61 and 15,328.38 is: 22,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.20 : 47,952.61 = 15,328.38 : x
  2. Step 2: Convert to fraction form
    31,984.20/47,952.61 = 15,328.38/x
  3. Step 3: Cross multiply
    31,984.20x = 47,952.61 × 15,328.38
  4. Step 4: Simplify right side
    31,984.20x = 735,035,828.07
  5. Step 5: Solve for x
    x = 735,035,828.07/31,984.20
  6. Step 6: Final answer
    x = 22,981.22

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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.