Home / 47,003.94-70,488.24-18,914.46

Finding the Fourth Proportional to 47,003.94, 70,488.24 and 18,914.46

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Solution

The fourth proportional to 47,003.94, 70,488.24 and 18,914.46 is: 28,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,003.94 : 70,488.24 = 18,914.46 : x
  2. Step 2: Convert to fraction form
    47,003.94/70,488.24 = 18,914.46/x
  3. Step 3: Cross multiply
    47,003.94x = 70,488.24 × 18,914.46
  4. Step 4: Simplify right side
    47,003.94x = 1,333,246,995.95
  5. Step 5: Solve for x
    x = 1,333,246,995.95/47,003.94
  6. Step 6: Final answer
    x = 28,364.58

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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.