Home / 40,153.79-55,420.00-23,169.04

Finding the Fourth Proportional to 40,153.79, 55,420.00 and 23,169.04

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Solution

The fourth proportional to 40,153.79, 55,420.00 and 23,169.04 is: 31,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.79 : 55,420.00 = 23,169.04 : x
  2. Step 2: Convert to fraction form
    40,153.79/55,420.00 = 23,169.04/x
  3. Step 3: Cross multiply
    40,153.79x = 55,420.00 × 23,169.04
  4. Step 4: Simplify right side
    40,153.79x = 1,284,028,000.33
  5. Step 5: Solve for x
    x = 1,284,028,000.33/40,153.79
  6. Step 6: Final answer
    x = 31,977.75

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1.5x scale

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.