Home / 40,585.61-56,008-22,680.61

Finding the Fourth Proportional to 40,585.61, 56,008 and 22,680.61

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Solution

The fourth proportional to 40,585.61, 56,008 and 22,680.61 is: 31,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.61 : 56,008 = 22,680.61 : x
  2. Step 2: Convert to fraction form
    40,585.61/56,008 = 22,680.61/x
  3. Step 3: Cross multiply
    40,585.61x = 56,008 × 22,680.61
  4. Step 4: Simplify right side
    40,585.61x = 1,270,295,604.88
  5. Step 5: Solve for x
    x = 1,270,295,604.88/40,585.61
  6. Step 6: Final answer
    x = 31,299.16

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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.