Home / 40,949.35-61,398.81-18,769.52

Finding the Fourth Proportional to 40,949.35, 61,398.81 and 18,769.52

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Solution

The fourth proportional to 40,949.35, 61,398.81 and 18,769.52 is: 28,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,949.35 : 61,398.81 = 18,769.52 : x
  2. Step 2: Convert to fraction form
    40,949.35/61,398.81 = 18,769.52/x
  3. Step 3: Cross multiply
    40,949.35x = 61,398.81 × 18,769.52
  4. Step 4: Simplify right side
    40,949.35x = 1,152,426,345.77
  5. Step 5: Solve for x
    x = 1,152,426,345.77/40,949.35
  6. Step 6: Final answer
    x = 28,142.73

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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.