Home / 34,702.11-52,056.09-13,640.49

Finding the Fourth Proportional to 34,702.11, 52,056.09 and 13,640.49

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Solution

The fourth proportional to 34,702.11, 52,056.09 and 13,640.49 is: 20,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,702.11 : 52,056.09 = 13,640.49 : x
  2. Step 2: Convert to fraction form
    34,702.11/52,056.09 = 13,640.49/x
  3. Step 3: Cross multiply
    34,702.11x = 52,056.09 × 13,640.49
  4. Step 4: Simplify right side
    34,702.11x = 710,070,575.08
  5. Step 5: Solve for x
    x = 710,070,575.08/34,702.11
  6. Step 6: Final answer
    x = 20,461.88

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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.