Home / 35,321.80-52,949.76-11,931.88

Finding the Fourth Proportional to 35,321.80, 52,949.76 and 11,931.88

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Solution

The fourth proportional to 35,321.80, 52,949.76 and 11,931.88 is: 17,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.80 : 52,949.76 = 11,931.88 : x
  2. Step 2: Convert to fraction form
    35,321.80/52,949.76 = 11,931.88/x
  3. Step 3: Cross multiply
    35,321.80x = 52,949.76 × 11,931.88
  4. Step 4: Simplify right side
    35,321.80x = 631,790,182.35
  5. Step 5: Solve for x
    x = 631,790,182.35/35,321.80
  6. Step 6: Final answer
    x = 17,886.69

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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.