Home / 48,212.11-72,212.88-20,046.76

Finding the Fourth Proportional to 48,212.11, 72,212.88 and 20,046.76

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Solution

The fourth proportional to 48,212.11, 72,212.88 and 20,046.76 is: 30,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212.11 : 72,212.88 = 20,046.76 : x
  2. Step 2: Convert to fraction form
    48,212.11/72,212.88 = 20,046.76/x
  3. Step 3: Cross multiply
    48,212.11x = 72,212.88 × 20,046.76
  4. Step 4: Simplify right side
    48,212.11x = 1,447,634,274.27
  5. Step 5: Solve for x
    x = 1,447,634,274.27/48,212.11
  6. Step 6: Final answer
    x = 30,026.36

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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.