Home / 39,379.76-54,353.19-25,953.40

Finding the Fourth Proportional to 39,379.76, 54,353.19 and 25,953.40

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Solution

The fourth proportional to 39,379.76, 54,353.19 and 25,953.40 is: 35,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.76 : 54,353.19 = 25,953.40 : x
  2. Step 2: Convert to fraction form
    39,379.76/54,353.19 = 25,953.40/x
  3. Step 3: Cross multiply
    39,379.76x = 54,353.19 × 25,953.40
  4. Step 4: Simplify right side
    39,379.76x = 1,410,650,081.35
  5. Step 5: Solve for x
    x = 1,410,650,081.35/39,379.76
  6. Step 6: Final answer
    x = 35,821.70

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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.