Home / 42,550.11-58,722.03-28,185.17

Finding the Fourth Proportional to 42,550.11, 58,722.03 and 28,185.17

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Solution

The fourth proportional to 42,550.11, 58,722.03 and 28,185.17 is: 38,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.11 : 58,722.03 = 28,185.17 : x
  2. Step 2: Convert to fraction form
    42,550.11/58,722.03 = 28,185.17/x
  3. Step 3: Cross multiply
    42,550.11x = 58,722.03 × 28,185.17
  4. Step 4: Simplify right side
    42,550.11x = 1,655,090,104.68
  5. Step 5: Solve for x
    x = 1,655,090,104.68/42,550.11
  6. Step 6: Final answer
    x = 38,897.43

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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.