Home / 47,200.86-70,813.44-13,919.58

Finding the Fourth Proportional to 47,200.86, 70,813.44 and 13,919.58

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Solution

The fourth proportional to 47,200.86, 70,813.44 and 13,919.58 is: 20,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.86 : 70,813.44 = 13,919.58 : x
  2. Step 2: Convert to fraction form
    47,200.86/70,813.44 = 13,919.58/x
  3. Step 3: Cross multiply
    47,200.86x = 70,813.44 × 13,919.58
  4. Step 4: Simplify right side
    47,200.86x = 985,693,343.16
  5. Step 5: Solve for x
    x = 985,693,343.16/47,200.86
  6. Step 6: Final answer
    x = 20,882.95

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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.