Home / 40,083.14-55,312.71-21,933.47

Finding the Fourth Proportional to 40,083.14, 55,312.71 and 21,933.47

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Solution

The fourth proportional to 40,083.14, 55,312.71 and 21,933.47 is: 30,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.14 : 55,312.71 = 21,933.47 : x
  2. Step 2: Convert to fraction form
    40,083.14/55,312.71 = 21,933.47/x
  3. Step 3: Cross multiply
    40,083.14x = 55,312.71 × 21,933.47
  4. Step 4: Simplify right side
    40,083.14x = 1,213,199,388.84
  5. Step 5: Solve for x
    x = 1,213,199,388.84/40,083.14
  6. Step 6: Final answer
    x = 30,267.08

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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.