Home / 39,156.64-54,041.76-25,766.72

Finding the Fourth Proportional to 39,156.64, 54,041.76 and 25,766.72

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Solution

The fourth proportional to 39,156.64, 54,041.76 and 25,766.72 is: 35,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.64 : 54,041.76 = 25,766.72 : x
  2. Step 2: Convert to fraction form
    39,156.64/54,041.76 = 25,766.72/x
  3. Step 3: Cross multiply
    39,156.64x = 54,041.76 × 25,766.72
  4. Step 4: Simplify right side
    39,156.64x = 1,392,478,898.23
  5. Step 5: Solve for x
    x = 1,392,478,898.23/39,156.64
  6. Step 6: Final answer
    x = 35,561.76

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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.