Home / 47,257.67-70,900.34-13,978.62

Finding the Fourth Proportional to 47,257.67, 70,900.34 and 13,978.62

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Solution

The fourth proportional to 47,257.67, 70,900.34 and 13,978.62 is: 20,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,257.67 : 70,900.34 = 13,978.62 : x
  2. Step 2: Convert to fraction form
    47,257.67/70,900.34 = 13,978.62/x
  3. Step 3: Cross multiply
    47,257.67x = 70,900.34 × 13,978.62
  4. Step 4: Simplify right side
    47,257.67x = 991,088,945.68
  5. Step 5: Solve for x
    x = 991,088,945.68/47,257.67
  6. Step 6: Final answer
    x = 20,972.02

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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.