Home / 31,823.43-47,729.00-30,242.87

Finding the Fourth Proportional to 31,823.43, 47,729.00 and 30,242.87

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Solution

The fourth proportional to 31,823.43, 47,729.00 and 30,242.87 is: 45,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.43 : 47,729.00 = 30,242.87 : x
  2. Step 2: Convert to fraction form
    31,823.43/47,729.00 = 30,242.87/x
  3. Step 3: Cross multiply
    31,823.43x = 47,729.00 × 30,242.87
  4. Step 4: Simplify right side
    31,823.43x = 1,443,461,788.06
  5. Step 5: Solve for x
    x = 1,443,461,788.06/31,823.43
  6. Step 6: Final answer
    x = 45,358.46

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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.