Home / 29,511.96-40,721.88-16,934.28

Finding the Fourth Proportional to 29,511.96, 40,721.88 and 16,934.28

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Solution

The fourth proportional to 29,511.96, 40,721.88 and 16,934.28 is: 23,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.96 : 40,721.88 = 16,934.28 : x
  2. Step 2: Convert to fraction form
    29,511.96/40,721.88 = 16,934.28/x
  3. Step 3: Cross multiply
    29,511.96x = 40,721.88 × 16,934.28
  4. Step 4: Simplify right side
    29,511.96x = 689,595,718.05
  5. Step 5: Solve for x
    x = 689,595,718.05/29,511.96
  6. Step 6: Final answer
    x = 23,366.65

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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.