Home / 39,643.22-54,699.08-22,866.50

Finding the Fourth Proportional to 39,643.22, 54,699.08 and 22,866.50

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Solution

The fourth proportional to 39,643.22, 54,699.08 and 22,866.50 is: 31,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.22 : 54,699.08 = 22,866.50 : x
  2. Step 2: Convert to fraction form
    39,643.22/54,699.08 = 22,866.50/x
  3. Step 3: Cross multiply
    39,643.22x = 54,699.08 × 22,866.50
  4. Step 4: Simplify right side
    39,643.22x = 1,250,776,512.82
  5. Step 5: Solve for x
    x = 1,250,776,512.82/39,643.22
  6. Step 6: Final answer
    x = 31,550.83

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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.