Home / 39,931.11-55,104.05-22,027.77

Finding the Fourth Proportional to 39,931.11, 55,104.05 and 22,027.77

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Solution

The fourth proportional to 39,931.11, 55,104.05 and 22,027.77 is: 30,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.11 : 55,104.05 = 22,027.77 : x
  2. Step 2: Convert to fraction form
    39,931.11/55,104.05 = 22,027.77/x
  3. Step 3: Cross multiply
    39,931.11x = 55,104.05 × 22,027.77
  4. Step 4: Simplify right side
    39,931.11x = 1,213,819,394.54
  5. Step 5: Solve for x
    x = 1,213,819,394.54/39,931.11
  6. Step 6: Final answer
    x = 30,397.84

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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.