Home / 40,376.22-55,719.19-23,381.36

Finding the Fourth Proportional to 40,376.22, 55,719.19 and 23,381.36

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Solution

The fourth proportional to 40,376.22, 55,719.19 and 23,381.36 is: 32,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.22 : 55,719.19 = 23,381.36 : x
  2. Step 2: Convert to fraction form
    40,376.22/55,719.19 = 23,381.36/x
  3. Step 3: Cross multiply
    40,376.22x = 55,719.19 × 23,381.36
  4. Step 4: Simplify right side
    40,376.22x = 1,302,790,399.88
  5. Step 5: Solve for x
    x = 1,302,790,399.88/40,376.22
  6. Step 6: Final answer
    x = 32,266.28

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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.