Home / 47,050.54-70,575.40-20,755.31

Finding the Fourth Proportional to 47,050.54, 70,575.40 and 20,755.31

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Solution

The fourth proportional to 47,050.54, 70,575.40 and 20,755.31 is: 31,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,050.54 : 70,575.40 = 20,755.31 : x
  2. Step 2: Convert to fraction form
    47,050.54/70,575.40 = 20,755.31/x
  3. Step 3: Cross multiply
    47,050.54x = 70,575.40 × 20,755.31
  4. Step 4: Simplify right side
    47,050.54x = 1,464,813,978.44
  5. Step 5: Solve for x
    x = 1,464,813,978.44/47,050.54
  6. Step 6: Final answer
    x = 31,132.78

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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.