Home / 35,161.76-52,742.68-12,965.52

Finding the Fourth Proportional to 35,161.76, 52,742.68 and 12,965.52

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Solution

The fourth proportional to 35,161.76, 52,742.68 and 12,965.52 is: 19,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,161.76 : 52,742.68 = 12,965.52 : x
  2. Step 2: Convert to fraction form
    35,161.76/52,742.68 = 12,965.52/x
  3. Step 3: Cross multiply
    35,161.76x = 52,742.68 × 12,965.52
  4. Step 4: Simplify right side
    35,161.76x = 683,836,272.39
  5. Step 5: Solve for x
    x = 683,836,272.39/35,161.76
  6. Step 6: Final answer
    x = 19,448.29

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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.