Home / 29,448.52-40,638.94-16,880.56

Finding the Fourth Proportional to 29,448.52, 40,638.94 and 16,880.56

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Solution

The fourth proportional to 29,448.52, 40,638.94 and 16,880.56 is: 23,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.52 : 40,638.94 = 16,880.56 : x
  2. Step 2: Convert to fraction form
    29,448.52/40,638.94 = 16,880.56/x
  3. Step 3: Cross multiply
    29,448.52x = 40,638.94 × 16,880.56
  4. Step 4: Simplify right side
    29,448.52x = 686,008,065.01
  5. Step 5: Solve for x
    x = 686,008,065.01/29,448.52
  6. Step 6: Final answer
    x = 23,295.16

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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.