Home / 31,713.21-47,588.04-14,180.76

Finding the Fourth Proportional to 31,713.21, 47,588.04 and 14,180.76

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Solution

The fourth proportional to 31,713.21, 47,588.04 and 14,180.76 is: 21,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.21 : 47,588.04 = 14,180.76 : x
  2. Step 2: Convert to fraction form
    31,713.21/47,588.04 = 14,180.76/x
  3. Step 3: Cross multiply
    31,713.21x = 47,588.04 × 14,180.76
  4. Step 4: Simplify right side
    31,713.21x = 674,834,574.11
  5. Step 5: Solve for x
    x = 674,834,574.11/31,713.21
  6. Step 6: Final answer
    x = 21,279.29

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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.