Home / 40,434-55,799.28-23,667.36

Finding the Fourth Proportional to 40,434, 55,799.28 and 23,667.36

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Solution

The fourth proportional to 40,434, 55,799.28 and 23,667.36 is: 32,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,434 : 55,799.28 = 23,667.36 : x
  2. Step 2: Convert to fraction form
    40,434/55,799.28 = 23,667.36/x
  3. Step 3: Cross multiply
    40,434x = 55,799.28 × 23,667.36
  4. Step 4: Simplify right side
    40,434x = 1,320,621,647.50
  5. Step 5: Solve for x
    x = 1,320,621,647.50/40,434
  6. Step 6: Final answer
    x = 32,661.17

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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.