Home / 47,008.16-70,530.70-20,694.44

Finding the Fourth Proportional to 47,008.16, 70,530.70 and 20,694.44

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Solution

The fourth proportional to 47,008.16, 70,530.70 and 20,694.44 is: 31,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,008.16 : 70,530.70 = 20,694.44 : x
  2. Step 2: Convert to fraction form
    47,008.16/70,530.70 = 20,694.44/x
  3. Step 3: Cross multiply
    47,008.16x = 70,530.70 × 20,694.44
  4. Step 4: Simplify right side
    47,008.16x = 1,459,593,339.31
  5. Step 5: Solve for x
    x = 1,459,593,339.31/47,008.16
  6. Step 6: Final answer
    x = 31,049.79

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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.