Home / 48,938.60-73,407.90-31,442.60

Finding the Fourth Proportional to 48,938.60, 73,407.90 and 31,442.60

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Solution

The fourth proportional to 48,938.60, 73,407.90 and 31,442.60 is: 47,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.60 : 73,407.90 = 31,442.60 : x
  2. Step 2: Convert to fraction form
    48,938.60/73,407.90 = 31,442.60/x
  3. Step 3: Cross multiply
    48,938.60x = 73,407.90 × 31,442.60
  4. Step 4: Simplify right side
    48,938.60x = 2,308,135,236.54
  5. Step 5: Solve for x
    x = 2,308,135,236.54/48,938.60
  6. Step 6: Final answer
    x = 47,163.90

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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.