Home / 48,722.50-72,872.61-28,684.25

Finding the Fourth Proportional to 48,722.50, 72,872.61 and 28,684.25

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Solution

The fourth proportional to 48,722.50, 72,872.61 and 28,684.25 is: 42,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.50 : 72,872.61 = 28,684.25 : x
  2. Step 2: Convert to fraction form
    48,722.50/72,872.61 = 28,684.25/x
  3. Step 3: Cross multiply
    48,722.50x = 72,872.61 × 28,684.25
  4. Step 4: Simplify right side
    48,722.50x = 2,090,296,163.39
  5. Step 5: Solve for x
    x = 2,090,296,163.39/48,722.50
  6. Step 6: Final answer
    x = 42,902.07

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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.