Home / 40,153.41-55,419.48-23,168.64

Finding the Fourth Proportional to 40,153.41, 55,419.48 and 23,168.64

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Solution

The fourth proportional to 40,153.41, 55,419.48 and 23,168.64 is: 31,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.41 : 55,419.48 = 23,168.64 : x
  2. Step 2: Convert to fraction form
    40,153.41/55,419.48 = 23,168.64/x
  3. Step 3: Cross multiply
    40,153.41x = 55,419.48 × 23,168.64
  4. Step 4: Simplify right side
    40,153.41x = 1,283,993,981.11
  5. Step 5: Solve for x
    x = 1,283,993,981.11/40,153.41
  6. Step 6: Final answer
    x = 31,977.21

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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.