Home / 35,243.12-52,860-11,869.76

Finding the Fourth Proportional to 35,243.12, 52,860 and 11,869.76

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Solution

The fourth proportional to 35,243.12, 52,860 and 11,869.76 is: 17,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,243.12 : 52,860 = 11,869.76 : x
  2. Step 2: Convert to fraction form
    35,243.12/52,860 = 11,869.76/x
  3. Step 3: Cross multiply
    35,243.12x = 52,860 × 11,869.76
  4. Step 4: Simplify right side
    35,243.12x = 627,435,513.60
  5. Step 5: Solve for x
    x = 627,435,513.60/35,243.12
  6. Step 6: Final answer
    x = 17,803.06

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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.