Home / 59,977.60-89,912.96-30,380.20

Finding the Fourth Proportional to 59,977.60, 89,912.96 and 30,380.20

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Solution

The fourth proportional to 59,977.60, 89,912.96 and 30,380.20 is: 45,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,977.60 : 89,912.96 = 30,380.20 : x
  2. Step 2: Convert to fraction form
    59,977.60/89,912.96 = 30,380.20/x
  3. Step 3: Cross multiply
    59,977.60x = 89,912.96 × 30,380.20
  4. Step 4: Simplify right side
    59,977.60x = 2,731,573,707.39
  5. Step 5: Solve for x
    x = 2,731,573,707.39/59,977.60
  6. Step 6: Final answer
    x = 45,543.23

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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.