Home / 39,402.08-54,357.72-25,956.08

Finding the Fourth Proportional to 39,402.08, 54,357.72 and 25,956.08

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Solution

The fourth proportional to 39,402.08, 54,357.72 and 25,956.08 is: 35,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.08 : 54,357.72 = 25,956.08 : x
  2. Step 2: Convert to fraction form
    39,402.08/54,357.72 = 25,956.08/x
  3. Step 3: Cross multiply
    39,402.08x = 54,357.72 × 25,956.08
  4. Step 4: Simplify right side
    39,402.08x = 1,410,913,328.94
  5. Step 5: Solve for x
    x = 1,410,913,328.94/39,402.08
  6. Step 6: Final answer
    x = 35,808.09

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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.