Home / 31,823.93-47,729.75-30,243.37

Finding the Fourth Proportional to 31,823.93, 47,729.75 and 30,243.37

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Solution

The fourth proportional to 31,823.93, 47,729.75 and 30,243.37 is: 45,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.93 : 47,729.75 = 30,243.37 : x
  2. Step 2: Convert to fraction form
    31,823.93/47,729.75 = 30,243.37/x
  3. Step 3: Cross multiply
    31,823.93x = 47,729.75 × 30,243.37
  4. Step 4: Simplify right side
    31,823.93x = 1,443,508,338.04
  5. Step 5: Solve for x
    x = 1,443,508,338.04/31,823.93
  6. Step 6: Final answer
    x = 45,359.21

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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.