Home / 47,128.25-70,702.81-15,548.09

Finding the Fourth Proportional to 47,128.25, 70,702.81 and 15,548.09

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Solution

The fourth proportional to 47,128.25, 70,702.81 and 15,548.09 is: 23,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128.25 : 70,702.81 = 15,548.09 : x
  2. Step 2: Convert to fraction form
    47,128.25/70,702.81 = 15,548.09/x
  3. Step 3: Cross multiply
    47,128.25x = 70,702.81 × 15,548.09
  4. Step 4: Simplify right side
    47,128.25x = 1,099,293,260.75
  5. Step 5: Solve for x
    x = 1,099,293,260.75/47,128.25
  6. Step 6: Final answer
    x = 23,325.57

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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.