Home / 32,702.55-49,072.05-13,979.40

Finding the Fourth Proportional to 32,702.55, 49,072.05 and 13,979.40

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Solution

The fourth proportional to 32,702.55, 49,072.05 and 13,979.40 is: 20,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.55 : 49,072.05 = 13,979.40 : x
  2. Step 2: Convert to fraction form
    32,702.55/49,072.05 = 13,979.40/x
  3. Step 3: Cross multiply
    32,702.55x = 49,072.05 × 13,979.40
  4. Step 4: Simplify right side
    32,702.55x = 685,997,815.77
  5. Step 5: Solve for x
    x = 685,997,815.77/32,702.55
  6. Step 6: Final answer
    x = 20,976.89

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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.