Home / 39,423.68-54,369.16-25,273.76

Finding the Fourth Proportional to 39,423.68, 54,369.16 and 25,273.76

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Solution

The fourth proportional to 39,423.68, 54,369.16 and 25,273.76 is: 34,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423.68 : 54,369.16 = 25,273.76 : x
  2. Step 2: Convert to fraction form
    39,423.68/54,369.16 = 25,273.76/x
  3. Step 3: Cross multiply
    39,423.68x = 54,369.16 × 25,273.76
  4. Step 4: Simplify right side
    39,423.68x = 1,374,113,101.24
  5. Step 5: Solve for x
    x = 1,374,113,101.24/39,423.68
  6. Step 6: Final answer
    x = 34,855.02

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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.