Home / 39,901.41-55,063.26-21,752.33

Finding the Fourth Proportional to 39,901.41, 55,063.26 and 21,752.33

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Solution

The fourth proportional to 39,901.41, 55,063.26 and 21,752.33 is: 30,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.41 : 55,063.26 = 21,752.33 : x
  2. Step 2: Convert to fraction form
    39,901.41/55,063.26 = 21,752.33/x
  3. Step 3: Cross multiply
    39,901.41x = 55,063.26 × 21,752.33
  4. Step 4: Simplify right side
    39,901.41x = 1,197,754,202.40
  5. Step 5: Solve for x
    x = 1,197,754,202.40/39,901.41
  6. Step 6: Final answer
    x = 30,017.84

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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.