Home / 40,929.20-61,400.32-17,555.84

Finding the Fourth Proportional to 40,929.20, 61,400.32 and 17,555.84

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Solution

The fourth proportional to 40,929.20, 61,400.32 and 17,555.84 is: 26,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.20 : 61,400.32 = 17,555.84 : x
  2. Step 2: Convert to fraction form
    40,929.20/61,400.32 = 17,555.84/x
  3. Step 3: Cross multiply
    40,929.20x = 61,400.32 × 17,555.84
  4. Step 4: Simplify right side
    40,929.20x = 1,077,934,193.87
  5. Step 5: Solve for x
    x = 1,077,934,193.87/40,929.20
  6. Step 6: Final answer
    x = 26,336.56

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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.