Home / 35,481.11-53,221.88-10,521.39

Finding the Fourth Proportional to 35,481.11, 53,221.88 and 10,521.39

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Solution

The fourth proportional to 35,481.11, 53,221.88 and 10,521.39 is: 15,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.11 : 53,221.88 = 10,521.39 : x
  2. Step 2: Convert to fraction form
    35,481.11/53,221.88 = 10,521.39/x
  3. Step 3: Cross multiply
    35,481.11x = 53,221.88 × 10,521.39
  4. Step 4: Simplify right side
    35,481.11x = 559,968,156.01
  5. Step 5: Solve for x
    x = 559,968,156.01/35,481.11
  6. Step 6: Final answer
    x = 15,782.15

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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.