Home / 39,107.61-53,966.35-22,110.87

Finding the Fourth Proportional to 39,107.61, 53,966.35 and 22,110.87

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Solution

The fourth proportional to 39,107.61, 53,966.35 and 22,110.87 is: 30,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.61 : 53,966.35 = 22,110.87 : x
  2. Step 2: Convert to fraction form
    39,107.61/53,966.35 = 22,110.87/x
  3. Step 3: Cross multiply
    39,107.61x = 53,966.35 × 22,110.87
  4. Step 4: Simplify right side
    39,107.61x = 1,193,243,179.24
  5. Step 5: Solve for x
    x = 1,193,243,179.24/39,107.61
  6. Step 6: Final answer
    x = 30,511.79

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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.