Home / 40,152.93-55,418.79-23,168.13

Finding the Fourth Proportional to 40,152.93, 55,418.79 and 23,168.13

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Solution

The fourth proportional to 40,152.93, 55,418.79 and 23,168.13 is: 31,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.93 : 55,418.79 = 23,168.13 : x
  2. Step 2: Convert to fraction form
    40,152.93/55,418.79 = 23,168.13/x
  3. Step 3: Cross multiply
    40,152.93x = 55,418.79 × 23,168.13
  4. Step 4: Simplify right side
    40,152.93x = 1,283,949,731.16
  5. Step 5: Solve for x
    x = 1,283,949,731.16/40,152.93
  6. Step 6: Final answer
    x = 31,976.49

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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.