Home / 29,681.78-40,965.48-16,934.94

Finding the Fourth Proportional to 29,681.78, 40,965.48 and 16,934.94

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Solution

The fourth proportional to 29,681.78, 40,965.48 and 16,934.94 is: 23,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,681.78 : 40,965.48 = 16,934.94 : x
  2. Step 2: Convert to fraction form
    29,681.78/40,965.48 = 16,934.94/x
  3. Step 3: Cross multiply
    29,681.78x = 40,965.48 × 16,934.94
  4. Step 4: Simplify right side
    29,681.78x = 693,747,945.87
  5. Step 5: Solve for x
    x = 693,747,945.87/29,681.78
  6. Step 6: Final answer
    x = 23,372.86

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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.