Home / 29,128.53-40,196.99-16,381.71

Finding the Fourth Proportional to 29,128.53, 40,196.99 and 16,381.71

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Solution

The fourth proportional to 29,128.53, 40,196.99 and 16,381.71 is: 22,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.53 : 40,196.99 = 16,381.71 : x
  2. Step 2: Convert to fraction form
    29,128.53/40,196.99 = 16,381.71/x
  3. Step 3: Cross multiply
    29,128.53x = 40,196.99 × 16,381.71
  4. Step 4: Simplify right side
    29,128.53x = 658,495,587.06
  5. Step 5: Solve for x
    x = 658,495,587.06/29,128.53
  6. Step 6: Final answer
    x = 22,606.55

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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.