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Finding the Fourth Proportional to 34,868.71, 52,303.43 and 13,813.88

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Solution

The fourth proportional to 34,868.71, 52,303.43 and 13,813.88 is: 20,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868.71 : 52,303.43 = 13,813.88 : x
  2. Step 2: Convert to fraction form
    34,868.71/52,303.43 = 13,813.88/x
  3. Step 3: Cross multiply
    34,868.71x = 52,303.43 × 13,813.88
  4. Step 4: Simplify right side
    34,868.71x = 722,513,044.09
  5. Step 5: Solve for x
    x = 722,513,044.09/34,868.71
  6. Step 6: Final answer
    x = 20,720.96

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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.