Home / 47,964.27-71,998.25-20,281.71

Finding the Fourth Proportional to 47,964.27, 71,998.25 and 20,281.71

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Solution

The fourth proportional to 47,964.27, 71,998.25 and 20,281.71 is: 30,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,964.27 : 71,998.25 = 20,281.71 : x
  2. Step 2: Convert to fraction form
    47,964.27/71,998.25 = 20,281.71/x
  3. Step 3: Cross multiply
    47,964.27x = 71,998.25 × 20,281.71
  4. Step 4: Simplify right side
    47,964.27x = 1,460,247,525.60
  5. Step 5: Solve for x
    x = 1,460,247,525.60/47,964.27
  6. Step 6: Final answer
    x = 30,444.49

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1.5x scale

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.