Home / 40,143.84-55,393.71-23,153.64

Finding the Fourth Proportional to 40,143.84, 55,393.71 and 23,153.64

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Solution

The fourth proportional to 40,143.84, 55,393.71 and 23,153.64 is: 31,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.84 : 55,393.71 = 23,153.64 : x
  2. Step 2: Convert to fraction form
    40,143.84/55,393.71 = 23,153.64/x
  3. Step 3: Cross multiply
    40,143.84x = 55,393.71 × 23,153.64
  4. Step 4: Simplify right side
    40,143.84x = 1,282,566,019.60
  5. Step 5: Solve for x
    x = 1,282,566,019.60/40,143.84
  6. Step 6: Final answer
    x = 31,949.26

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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.