Home / 48,572.22-72,858.46-13,511.88

Finding the Fourth Proportional to 48,572.22, 72,858.46 and 13,511.88

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Solution

The fourth proportional to 48,572.22, 72,858.46 and 13,511.88 is: 20,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,572.22 : 72,858.46 = 13,511.88 : x
  2. Step 2: Convert to fraction form
    48,572.22/72,858.46 = 13,511.88/x
  3. Step 3: Cross multiply
    48,572.22x = 72,858.46 × 13,511.88
  4. Step 4: Simplify right side
    48,572.22x = 984,454,768.50
  5. Step 5: Solve for x
    x = 984,454,768.50/48,572.22
  6. Step 6: Final answer
    x = 20,267.86

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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.