Home / 31,254.05-43,136.75-17,824.05

Finding the Fourth Proportional to 31,254.05, 43,136.75 and 17,824.05

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Solution

The fourth proportional to 31,254.05, 43,136.75 and 17,824.05 is: 24,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.05 : 43,136.75 = 17,824.05 : x
  2. Step 2: Convert to fraction form
    31,254.05/43,136.75 = 17,824.05/x
  3. Step 3: Cross multiply
    31,254.05x = 43,136.75 × 17,824.05
  4. Step 4: Simplify right side
    31,254.05x = 768,871,633.40
  5. Step 5: Solve for x
    x = 768,871,633.40/31,254.05
  6. Step 6: Final answer
    x = 24,600.70

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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.