Home / 29,442.72-40,632.03-16,869.90

Finding the Fourth Proportional to 29,442.72, 40,632.03 and 16,869.90

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Solution

The fourth proportional to 29,442.72, 40,632.03 and 16,869.90 is: 23,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.72 : 40,632.03 = 16,869.90 : x
  2. Step 2: Convert to fraction form
    29,442.72/40,632.03 = 16,869.90/x
  3. Step 3: Cross multiply
    29,442.72x = 40,632.03 × 16,869.90
  4. Step 4: Simplify right side
    29,442.72x = 685,458,435.27
  5. Step 5: Solve for x
    x = 685,458,435.27/29,442.72
  6. Step 6: Final answer
    x = 23,281.08

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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.