Home / 48,016.05-72,015.85-12,947.50

Finding the Fourth Proportional to 48,016.05, 72,015.85 and 12,947.50

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Solution

The fourth proportional to 48,016.05, 72,015.85 and 12,947.50 is: 19,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,016.05 : 72,015.85 = 12,947.50 : x
  2. Step 2: Convert to fraction form
    48,016.05/72,015.85 = 12,947.50/x
  3. Step 3: Cross multiply
    48,016.05x = 72,015.85 × 12,947.50
  4. Step 4: Simplify right side
    48,016.05x = 932,425,217.88
  5. Step 5: Solve for x
    x = 932,425,217.88/48,016.05
  6. Step 6: Final answer
    x = 19,419.03

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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.