Home / 35,209.31-52,813.91-11,852.15

Finding the Fourth Proportional to 35,209.31, 52,813.91 and 11,852.15

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Solution

The fourth proportional to 35,209.31, 52,813.91 and 11,852.15 is: 17,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,209.31 : 52,813.91 = 11,852.15 : x
  2. Step 2: Convert to fraction form
    35,209.31/52,813.91 = 11,852.15/x
  3. Step 3: Cross multiply
    35,209.31x = 52,813.91 × 11,852.15
  4. Step 4: Simplify right side
    35,209.31x = 625,958,060.08
  5. Step 5: Solve for x
    x = 625,958,060.08/35,209.31
  6. Step 6: Final answer
    x = 17,778.20

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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.