Home / 40,143.51-55,395.84-22,237.44

Finding the Fourth Proportional to 40,143.51, 55,395.84 and 22,237.44

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Solution

The fourth proportional to 40,143.51, 55,395.84 and 22,237.44 is: 30,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.51 : 55,395.84 = 22,237.44 : x
  2. Step 2: Convert to fraction form
    40,143.51/55,395.84 = 22,237.44/x
  3. Step 3: Cross multiply
    40,143.51x = 55,395.84 × 22,237.44
  4. Step 4: Simplify right side
    40,143.51x = 1,231,861,668.25
  5. Step 5: Solve for x
    x = 1,231,861,668.25/40,143.51
  6. Step 6: Final answer
    x = 30,686.45

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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.