Home / 39,406.38-54,400.68-25,080.72

Finding the Fourth Proportional to 39,406.38, 54,400.68 and 25,080.72

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Solution

The fourth proportional to 39,406.38, 54,400.68 and 25,080.72 is: 34,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,406.38 : 54,400.68 = 25,080.72 : x
  2. Step 2: Convert to fraction form
    39,406.38/54,400.68 = 25,080.72/x
  3. Step 3: Cross multiply
    39,406.38x = 54,400.68 × 25,080.72
  4. Step 4: Simplify right side
    39,406.38x = 1,364,408,222.89
  5. Step 5: Solve for x
    x = 1,364,408,222.89/39,406.38
  6. Step 6: Final answer
    x = 34,624.04

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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.