Home / 40,688.20-61,032.29-11,106.82

Finding the Fourth Proportional to 40,688.20, 61,032.29 and 11,106.82

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Solution

The fourth proportional to 40,688.20, 61,032.29 and 11,106.82 is: 16,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.20 : 61,032.29 = 11,106.82 : x
  2. Step 2: Convert to fraction form
    40,688.20/61,032.29 = 11,106.82/x
  3. Step 3: Cross multiply
    40,688.20x = 61,032.29 × 11,106.82
  4. Step 4: Simplify right side
    40,688.20x = 677,874,659.22
  5. Step 5: Solve for x
    x = 677,874,659.22/40,688.20
  6. Step 6: Final answer
    x = 16,660.23

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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.