Home / 29,129.90-43,686.36-11,356.58

Finding the Fourth Proportional to 29,129.90, 43,686.36 and 11,356.58

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Solution

The fourth proportional to 29,129.90, 43,686.36 and 11,356.58 is: 17,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.90 : 43,686.36 = 11,356.58 : x
  2. Step 2: Convert to fraction form
    29,129.90/43,686.36 = 11,356.58/x
  3. Step 3: Cross multiply
    29,129.90x = 43,686.36 × 11,356.58
  4. Step 4: Simplify right side
    29,129.90x = 496,127,642.25
  5. Step 5: Solve for x
    x = 496,127,642.25/29,129.90
  6. Step 6: Final answer
    x = 17,031.56

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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.