Home / 40,137.64-55,389.93-22,233.80

Finding the Fourth Proportional to 40,137.64, 55,389.93 and 22,233.80

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Solution

The fourth proportional to 40,137.64, 55,389.93 and 22,233.80 is: 30,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.64 : 55,389.93 = 22,233.80 : x
  2. Step 2: Convert to fraction form
    40,137.64/55,389.93 = 22,233.80/x
  3. Step 3: Cross multiply
    40,137.64x = 55,389.93 × 22,233.80
  4. Step 4: Simplify right side
    40,137.64x = 1,231,528,625.63
  5. Step 5: Solve for x
    x = 1,231,528,625.63/40,137.64
  6. Step 6: Final answer
    x = 30,682.64

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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.