Home / 39,287.50-54,216.75-22,530.22

Finding the Fourth Proportional to 39,287.50, 54,216.75 and 22,530.22

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Solution

The fourth proportional to 39,287.50, 54,216.75 and 22,530.22 is: 31,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.50 : 54,216.75 = 22,530.22 : x
  2. Step 2: Convert to fraction form
    39,287.50/54,216.75 = 22,530.22/x
  3. Step 3: Cross multiply
    39,287.50x = 54,216.75 × 22,530.22
  4. Step 4: Simplify right side
    39,287.50x = 1,221,515,305.19
  5. Step 5: Solve for x
    x = 1,221,515,305.19/39,287.50
  6. Step 6: Final answer
    x = 31,091.70

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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.