Home / 32,702.26-49,072.11-13,980.10

Finding the Fourth Proportional to 32,702.26, 49,072.11 and 13,980.10

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Solution

The fourth proportional to 32,702.26, 49,072.11 and 13,980.10 is: 20,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,702.26 : 49,072.11 = 13,980.10 : x
  2. Step 2: Convert to fraction form
    32,702.26/49,072.11 = 13,980.10/x
  3. Step 3: Cross multiply
    32,702.26x = 49,072.11 × 13,980.10
  4. Step 4: Simplify right side
    32,702.26x = 686,033,005.01
  5. Step 5: Solve for x
    x = 686,033,005.01/32,702.26
  6. Step 6: Final answer
    x = 20,978.15

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1.5x scale

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.