Home / 40,934.72-61,402.08-18,419.09

Finding the Fourth Proportional to 40,934.72, 61,402.08 and 18,419.09

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Solution

The fourth proportional to 40,934.72, 61,402.08 and 18,419.09 is: 27,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934.72 : 61,402.08 = 18,419.09 : x
  2. Step 2: Convert to fraction form
    40,934.72/61,402.08 = 18,419.09/x
  3. Step 3: Cross multiply
    40,934.72x = 61,402.08 × 18,419.09
  4. Step 4: Simplify right side
    40,934.72x = 1,130,970,298.00
  5. Step 5: Solve for x
    x = 1,130,970,298.00/40,934.72
  6. Step 6: Final answer
    x = 27,628.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.