Home / 47,125.74-70,700.52-13,846.86

Finding the Fourth Proportional to 47,125.74, 70,700.52 and 13,846.86

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Solution

The fourth proportional to 47,125.74, 70,700.52 and 13,846.86 is: 20,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.74 : 70,700.52 = 13,846.86 : x
  2. Step 2: Convert to fraction form
    47,125.74/70,700.52 = 13,846.86/x
  3. Step 3: Cross multiply
    47,125.74x = 70,700.52 × 13,846.86
  4. Step 4: Simplify right side
    47,125.74x = 978,980,202.37
  5. Step 5: Solve for x
    x = 978,980,202.37/47,125.74
  6. Step 6: Final answer
    x = 20,773.79

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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.