Home / 39,911.08-55,077.24-22,006.12

Finding the Fourth Proportional to 39,911.08, 55,077.24 and 22,006.12

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Solution

The fourth proportional to 39,911.08, 55,077.24 and 22,006.12 is: 30,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.08 : 55,077.24 = 22,006.12 : x
  2. Step 2: Convert to fraction form
    39,911.08/55,077.24 = 22,006.12/x
  3. Step 3: Cross multiply
    39,911.08x = 55,077.24 × 22,006.12
  4. Step 4: Simplify right side
    39,911.08x = 1,212,036,261.46
  5. Step 5: Solve for x
    x = 1,212,036,261.46/39,911.08
  6. Step 6: Final answer
    x = 30,368.42

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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.