Home / 40,152.42-55,418.10-23,167.63

Finding the Fourth Proportional to 40,152.42, 55,418.10 and 23,167.63

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Solution

The fourth proportional to 40,152.42, 55,418.10 and 23,167.63 is: 31,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.42 : 55,418.10 = 23,167.63 : x
  2. Step 2: Convert to fraction form
    40,152.42/55,418.10 = 23,167.63/x
  3. Step 3: Cross multiply
    40,152.42x = 55,418.10 × 23,167.63
  4. Step 4: Simplify right side
    40,152.42x = 1,283,906,036.10
  5. Step 5: Solve for x
    x = 1,283,906,036.10/40,152.42
  6. Step 6: Final answer
    x = 31,975.81

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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.