Home / 30,663.22-45,955.59-15,869.38

Finding the Fourth Proportional to 30,663.22, 45,955.59 and 15,869.38

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Solution

The fourth proportional to 30,663.22, 45,955.59 and 15,869.38 is: 23,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663.22 : 45,955.59 = 15,869.38 : x
  2. Step 2: Convert to fraction form
    30,663.22/45,955.59 = 15,869.38/x
  3. Step 3: Cross multiply
    30,663.22x = 45,955.59 × 15,869.38
  4. Step 4: Simplify right side
    30,663.22x = 729,286,720.83
  5. Step 5: Solve for x
    x = 729,286,720.83/30,663.22
  6. Step 6: Final answer
    x = 23,783.76

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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.