Home / 34,165.16-51,217.28-18,378.68

Finding the Fourth Proportional to 34,165.16, 51,217.28 and 18,378.68

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Solution

The fourth proportional to 34,165.16, 51,217.28 and 18,378.68 is: 27,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.16 : 51,217.28 = 18,378.68 : x
  2. Step 2: Convert to fraction form
    34,165.16/51,217.28 = 18,378.68/x
  3. Step 3: Cross multiply
    34,165.16x = 51,217.28 × 18,378.68
  4. Step 4: Simplify right side
    34,165.16x = 941,305,999.59
  5. Step 5: Solve for x
    x = 941,305,999.59/34,165.16
  6. Step 6: Final answer
    x = 27,551.63

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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.