Home / 29,220.88-43,837.80-13,630

Finding the Fourth Proportional to 29,220.88, 43,837.80 and 13,630

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Solution

The fourth proportional to 29,220.88, 43,837.80 and 13,630 is: 20,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.88 : 43,837.80 = 13,630 : x
  2. Step 2: Convert to fraction form
    29,220.88/43,837.80 = 13,630/x
  3. Step 3: Cross multiply
    29,220.88x = 43,837.80 × 13,630
  4. Step 4: Simplify right side
    29,220.88x = 597,509,214
  5. Step 5: Solve for x
    x = 597,509,214/29,220.88
  6. Step 6: Final answer
    x = 20,448.02

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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.