Home / 29,554.24-40,784.86-18,943.90

Finding the Fourth Proportional to 29,554.24, 40,784.86 and 18,943.90

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Solution

The fourth proportional to 29,554.24, 40,784.86 and 18,943.90 is: 26,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.24 : 40,784.86 = 18,943.90 : x
  2. Step 2: Convert to fraction form
    29,554.24/40,784.86 = 18,943.90/x
  3. Step 3: Cross multiply
    29,554.24x = 40,784.86 × 18,943.90
  4. Step 4: Simplify right side
    29,554.24x = 772,624,292.50
  5. Step 5: Solve for x
    x = 772,624,292.50/29,554.24
  6. Step 6: Final answer
    x = 26,142.59

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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.