Home / 39,656.92-54,736.50-26,931.64

Finding the Fourth Proportional to 39,656.92, 54,736.50 and 26,931.64

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Solution

The fourth proportional to 39,656.92, 54,736.50 and 26,931.64 is: 37,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.92 : 54,736.50 = 26,931.64 : x
  2. Step 2: Convert to fraction form
    39,656.92/54,736.50 = 26,931.64/x
  3. Step 3: Cross multiply
    39,656.92x = 54,736.50 × 26,931.64
  4. Step 4: Simplify right side
    39,656.92x = 1,474,143,712.86
  5. Step 5: Solve for x
    x = 1,474,143,712.86/39,656.92
  6. Step 6: Final answer
    x = 37,172.42

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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.