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Finding the Fourth Proportional to 43,350.40, 65,009.40 and 17,049.70

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Solution

The fourth proportional to 43,350.40, 65,009.40 and 17,049.70 is: 25,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.40 : 65,009.40 = 17,049.70 : x
  2. Step 2: Convert to fraction form
    43,350.40/65,009.40 = 17,049.70/x
  3. Step 3: Cross multiply
    43,350.40x = 65,009.40 × 17,049.70
  4. Step 4: Simplify right side
    43,350.40x = 1,108,390,767.18
  5. Step 5: Solve for x
    x = 1,108,390,767.18/43,350.40
  6. Step 6: Final answer
    x = 25,568.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.