Home / 40,813.02-61,212.33-11,223.72

Finding the Fourth Proportional to 40,813.02, 61,212.33 and 11,223.72

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Solution

The fourth proportional to 40,813.02, 61,212.33 and 11,223.72 is: 16,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.02 : 61,212.33 = 11,223.72 : x
  2. Step 2: Convert to fraction form
    40,813.02/61,212.33 = 11,223.72/x
  3. Step 3: Cross multiply
    40,813.02x = 61,212.33 × 11,223.72
  4. Step 4: Simplify right side
    40,813.02x = 687,030,052.47
  5. Step 5: Solve for x
    x = 687,030,052.47/40,813.02
  6. Step 6: Final answer
    x = 16,833.60

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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.