Home / 39,419.15-54,390.11-25,073.76

Finding the Fourth Proportional to 39,419.15, 54,390.11 and 25,073.76

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Solution

The fourth proportional to 39,419.15, 54,390.11 and 25,073.76 is: 34,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.15 : 54,390.11 = 25,073.76 : x
  2. Step 2: Convert to fraction form
    39,419.15/54,390.11 = 25,073.76/x
  3. Step 3: Cross multiply
    39,419.15x = 54,390.11 × 25,073.76
  4. Step 4: Simplify right side
    39,419.15x = 1,363,764,501.83
  5. Step 5: Solve for x
    x = 1,363,764,501.83/39,419.15
  6. Step 6: Final answer
    x = 34,596.49

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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.