Home / 47,145.05-70,702.55-15,549.20

Finding the Fourth Proportional to 47,145.05, 70,702.55 and 15,549.20

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Solution

The fourth proportional to 47,145.05, 70,702.55 and 15,549.20 is: 23,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.05 : 70,702.55 = 15,549.20 : x
  2. Step 2: Convert to fraction form
    47,145.05/70,702.55 = 15,549.20/x
  3. Step 3: Cross multiply
    47,145.05x = 70,702.55 × 15,549.20
  4. Step 4: Simplify right side
    47,145.05x = 1,099,367,659.20
  5. Step 5: Solve for x
    x = 1,099,367,659.20/47,145.05
  6. Step 6: Final answer
    x = 23,318.84

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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.