Home / 39,917.56-55,083.90-22,917.88

Finding the Fourth Proportional to 39,917.56, 55,083.90 and 22,917.88

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Solution

The fourth proportional to 39,917.56, 55,083.90 and 22,917.88 is: 31,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.56 : 55,083.90 = 22,917.88 : x
  2. Step 2: Convert to fraction form
    39,917.56/55,083.90 = 22,917.88/x
  3. Step 3: Cross multiply
    39,917.56x = 55,083.90 × 22,917.88
  4. Step 4: Simplify right side
    39,917.56x = 1,262,406,210.13
  5. Step 5: Solve for x
    x = 1,262,406,210.13/39,917.56
  6. Step 6: Final answer
    x = 31,625.34

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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.