Home / 40,145.15-55,398.74-22,240.44

Finding the Fourth Proportional to 40,145.15, 55,398.74 and 22,240.44

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Solution

The fourth proportional to 40,145.15, 55,398.74 and 22,240.44 is: 30,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.15 : 55,398.74 = 22,240.44 : x
  2. Step 2: Convert to fraction form
    40,145.15/55,398.74 = 22,240.44/x
  3. Step 3: Cross multiply
    40,145.15x = 55,398.74 × 22,240.44
  4. Step 4: Simplify right side
    40,145.15x = 1,232,092,241.84
  5. Step 5: Solve for x
    x = 1,232,092,241.84/40,145.15
  6. Step 6: Final answer
    x = 30,690.93

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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.