Home / 39,291.36-54,220.80-22,296.96

Finding the Fourth Proportional to 39,291.36, 54,220.80 and 22,296.96

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Solution

The fourth proportional to 39,291.36, 54,220.80 and 22,296.96 is: 30,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.36 : 54,220.80 = 22,296.96 : x
  2. Step 2: Convert to fraction form
    39,291.36/54,220.80 = 22,296.96/x
  3. Step 3: Cross multiply
    39,291.36x = 54,220.80 × 22,296.96
  4. Step 4: Simplify right side
    39,291.36x = 1,208,959,008.77
  5. Step 5: Solve for x
    x = 1,208,959,008.77/39,291.36
  6. Step 6: Final answer
    x = 30,769.08

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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.