Home / 39,111.17-53,973.07-22,118.75

Finding the Fourth Proportional to 39,111.17, 53,973.07 and 22,118.75

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Solution

The fourth proportional to 39,111.17, 53,973.07 and 22,118.75 is: 30,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,111.17 : 53,973.07 = 22,118.75 : x
  2. Step 2: Convert to fraction form
    39,111.17/53,973.07 = 22,118.75/x
  3. Step 3: Cross multiply
    39,111.17x = 53,973.07 × 22,118.75
  4. Step 4: Simplify right side
    39,111.17x = 1,193,816,719.30
  5. Step 5: Solve for x
    x = 1,193,816,719.30/39,111.17
  6. Step 6: Final answer
    x = 30,523.68

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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.