Home / 47,305.78-70,878.37-28,546.41

Finding the Fourth Proportional to 47,305.78, 70,878.37 and 28,546.41

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Solution

The fourth proportional to 47,305.78, 70,878.37 and 28,546.41 is: 42,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305.78 : 70,878.37 = 28,546.41 : x
  2. Step 2: Convert to fraction form
    47,305.78/70,878.37 = 28,546.41/x
  3. Step 3: Cross multiply
    47,305.78x = 70,878.37 × 28,546.41
  4. Step 4: Simplify right side
    47,305.78x = 2,023,323,010.15
  5. Step 5: Solve for x
    x = 2,023,323,010.15/47,305.78
  6. Step 6: Final answer
    x = 42,771.16

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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.