Home / 29,113.39-43,690.29-13,320.37

Finding the Fourth Proportional to 29,113.39, 43,690.29 and 13,320.37

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Solution

The fourth proportional to 29,113.39, 43,690.29 and 13,320.37 is: 19,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.39 : 43,690.29 = 13,320.37 : x
  2. Step 2: Convert to fraction form
    29,113.39/43,690.29 = 13,320.37/x
  3. Step 3: Cross multiply
    29,113.39x = 43,690.29 × 13,320.37
  4. Step 4: Simplify right side
    29,113.39x = 581,970,587.11
  5. Step 5: Solve for x
    x = 581,970,587.11/29,113.39
  6. Step 6: Final answer
    x = 19,989.79

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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.