Home / 47,599.70-71,419.14-20,931.97

Finding the Fourth Proportional to 47,599.70, 71,419.14 and 20,931.97

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Solution

The fourth proportional to 47,599.70, 71,419.14 and 20,931.97 is: 31,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,599.70 : 71,419.14 = 20,931.97 : x
  2. Step 2: Convert to fraction form
    47,599.70/71,419.14 = 20,931.97/x
  3. Step 3: Cross multiply
    47,599.70x = 71,419.14 × 20,931.97
  4. Step 4: Simplify right side
    47,599.70x = 1,494,942,938.81
  5. Step 5: Solve for x
    x = 1,494,942,938.81/47,599.70
  6. Step 6: Final answer
    x = 31,406.56

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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.