Home / 47,165.46-70,716.87-18,683.52

Finding the Fourth Proportional to 47,165.46, 70,716.87 and 18,683.52

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Solution

The fourth proportional to 47,165.46, 70,716.87 and 18,683.52 is: 28,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.46 : 70,716.87 = 18,683.52 : x
  2. Step 2: Convert to fraction form
    47,165.46/70,716.87 = 18,683.52/x
  3. Step 3: Cross multiply
    47,165.46x = 70,716.87 × 18,683.52
  4. Step 4: Simplify right side
    47,165.46x = 1,321,240,054.98
  5. Step 5: Solve for x
    x = 1,321,240,054.98/47,165.46
  6. Step 6: Final answer
    x = 28,012.87

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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.