Home / 40,019.49-55,226.25-22,115.25

Finding the Fourth Proportional to 40,019.49, 55,226.25 and 22,115.25

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Solution

The fourth proportional to 40,019.49, 55,226.25 and 22,115.25 is: 30,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.49 : 55,226.25 = 22,115.25 : x
  2. Step 2: Convert to fraction form
    40,019.49/55,226.25 = 22,115.25/x
  3. Step 3: Cross multiply
    40,019.49x = 55,226.25 × 22,115.25
  4. Step 4: Simplify right side
    40,019.49x = 1,221,342,325.31
  5. Step 5: Solve for x
    x = 1,221,342,325.31/40,019.49
  6. Step 6: Final answer
    x = 30,518.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.