Home / 40,384.68-60,590.60-20,657.92

Finding the Fourth Proportional to 40,384.68, 60,590.60 and 20,657.92

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Solution

The fourth proportional to 40,384.68, 60,590.60 and 20,657.92 is: 30,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.68 : 60,590.60 = 20,657.92 : x
  2. Step 2: Convert to fraction form
    40,384.68/60,590.60 = 20,657.92/x
  3. Step 3: Cross multiply
    40,384.68x = 60,590.60 × 20,657.92
  4. Step 4: Simplify right side
    40,384.68x = 1,251,675,767.55
  5. Step 5: Solve for x
    x = 1,251,675,767.55/40,384.68
  6. Step 6: Final answer
    x = 30,993.83

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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.