Home / 47,099.11-70,659.07-15,518.90

Finding the Fourth Proportional to 47,099.11, 70,659.07 and 15,518.90

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Solution

The fourth proportional to 47,099.11, 70,659.07 and 15,518.90 is: 23,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.11 : 70,659.07 = 15,518.90 : x
  2. Step 2: Convert to fraction form
    47,099.11/70,659.07 = 15,518.90/x
  3. Step 3: Cross multiply
    47,099.11x = 70,659.07 × 15,518.90
  4. Step 4: Simplify right side
    47,099.11x = 1,096,551,041.42
  5. Step 5: Solve for x
    x = 1,096,551,041.42/47,099.11
  6. Step 6: Final answer
    x = 23,281.78

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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.