Home / 31,972.74-47,981.01-11,196.30

Finding the Fourth Proportional to 31,972.74, 47,981.01 and 11,196.30

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Solution

The fourth proportional to 31,972.74, 47,981.01 and 11,196.30 is: 16,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.74 : 47,981.01 = 11,196.30 : x
  2. Step 2: Convert to fraction form
    31,972.74/47,981.01 = 11,196.30/x
  3. Step 3: Cross multiply
    31,972.74x = 47,981.01 × 11,196.30
  4. Step 4: Simplify right side
    31,972.74x = 537,209,782.26
  5. Step 5: Solve for x
    x = 537,209,782.26/31,972.74
  6. Step 6: Final answer
    x = 16,802.12

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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.