Home / 47,077.82-70,619.15-12,017.78

Finding the Fourth Proportional to 47,077.82, 70,619.15 and 12,017.78

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Solution

The fourth proportional to 47,077.82, 70,619.15 and 12,017.78 is: 18,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.82 : 70,619.15 = 12,017.78 : x
  2. Step 2: Convert to fraction form
    47,077.82/70,619.15 = 12,017.78/x
  3. Step 3: Cross multiply
    47,077.82x = 70,619.15 × 12,017.78
  4. Step 4: Simplify right side
    47,077.82x = 848,684,995.30
  5. Step 5: Solve for x
    x = 848,684,995.30/47,077.82
  6. Step 6: Final answer
    x = 18,027.28

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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.