Home / 47,977.48-71,948.93-20,277.64

Finding the Fourth Proportional to 47,977.48, 71,948.93 and 20,277.64

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Solution

The fourth proportional to 47,977.48, 71,948.93 and 20,277.64 is: 30,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.48 : 71,948.93 = 20,277.64 : x
  2. Step 2: Convert to fraction form
    47,977.48/71,948.93 = 20,277.64/x
  3. Step 3: Cross multiply
    47,977.48x = 71,948.93 × 20,277.64
  4. Step 4: Simplify right side
    47,977.48x = 1,458,954,500.93
  5. Step 5: Solve for x
    x = 1,458,954,500.93/47,977.48
  6. Step 6: Final answer
    x = 30,409.15

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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.