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Finding the Fourth Proportional to 29,903.50, 41,264.40 and 17,160.58

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Solution

The fourth proportional to 29,903.50, 41,264.40 and 17,160.58 is: 23,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,903.50 : 41,264.40 = 17,160.58 : x
  2. Step 2: Convert to fraction form
    29,903.50/41,264.40 = 17,160.58/x
  3. Step 3: Cross multiply
    29,903.50x = 41,264.40 × 17,160.58
  4. Step 4: Simplify right side
    29,903.50x = 708,121,037.35
  5. Step 5: Solve for x
    x = 708,121,037.35/29,903.50
  6. Step 6: Final answer
    x = 23,680.21

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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.