Home / 39,909.52-55,077.59-22,004.47

Finding the Fourth Proportional to 39,909.52, 55,077.59 and 22,004.47

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Solution

The fourth proportional to 39,909.52, 55,077.59 and 22,004.47 is: 30,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.52 : 55,077.59 = 22,004.47 : x
  2. Step 2: Convert to fraction form
    39,909.52/55,077.59 = 22,004.47/x
  3. Step 3: Cross multiply
    39,909.52x = 55,077.59 × 22,004.47
  4. Step 4: Simplify right side
    39,909.52x = 1,211,953,094.14
  5. Step 5: Solve for x
    x = 1,211,953,094.14/39,909.52
  6. Step 6: Final answer
    x = 30,367.52

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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.