Home / 40,143.94-55,397.88-22,238.44

Finding the Fourth Proportional to 40,143.94, 55,397.88 and 22,238.44

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Solution

The fourth proportional to 40,143.94, 55,397.88 and 22,238.44 is: 30,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.94 : 55,397.88 = 22,238.44 : x
  2. Step 2: Convert to fraction form
    40,143.94/55,397.88 = 22,238.44/x
  3. Step 3: Cross multiply
    40,143.94x = 55,397.88 × 22,238.44
  4. Step 4: Simplify right side
    40,143.94x = 1,231,962,430.51
  5. Step 5: Solve for x
    x = 1,231,962,430.51/40,143.94
  6. Step 6: Final answer
    x = 30,688.63

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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.