Home / 30,682.53-42,343.11-17,253.72

Finding the Fourth Proportional to 30,682.53, 42,343.11 and 17,253.72

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Solution

The fourth proportional to 30,682.53, 42,343.11 and 17,253.72 is: 23,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682.53 : 42,343.11 = 17,253.72 : x
  2. Step 2: Convert to fraction form
    30,682.53/42,343.11 = 17,253.72/x
  3. Step 3: Cross multiply
    30,682.53x = 42,343.11 × 17,253.72
  4. Step 4: Simplify right side
    30,682.53x = 730,576,163.87
  5. Step 5: Solve for x
    x = 730,576,163.87/30,682.53
  6. Step 6: Final answer
    x = 23,810.82

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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.