Home / 31,934.13-47,906.97-13,203.99

Finding the Fourth Proportional to 31,934.13, 47,906.97 and 13,203.99

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Solution

The fourth proportional to 31,934.13, 47,906.97 and 13,203.99 is: 19,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,934.13 : 47,906.97 = 13,203.99 : x
  2. Step 2: Convert to fraction form
    31,934.13/47,906.97 = 13,203.99/x
  3. Step 3: Cross multiply
    31,934.13x = 47,906.97 × 13,203.99
  4. Step 4: Simplify right side
    31,934.13x = 632,563,152.81
  5. Step 5: Solve for x
    x = 632,563,152.81/31,934.13
  6. Step 6: Final answer
    x = 19,808.37

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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.