Home / 37,429.96-51,655.28-21,515.88

Finding the Fourth Proportional to 37,429.96, 51,655.28 and 21,515.88

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Solution

The fourth proportional to 37,429.96, 51,655.28 and 21,515.88 is: 29,693.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.96 : 51,655.28 = 21,515.88 : x
  2. Step 2: Convert to fraction form
    37,429.96/51,655.28 = 21,515.88/x
  3. Step 3: Cross multiply
    37,429.96x = 51,655.28 × 21,515.88
  4. Step 4: Simplify right side
    37,429.96x = 1,111,408,805.85
  5. Step 5: Solve for x
    x = 1,111,408,805.85/37,429.96
  6. Step 6: Final answer
    x = 29,693.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.