Home / 31,849.02-47,772.72-15,220.80

Finding the Fourth Proportional to 31,849.02, 47,772.72 and 15,220.80

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Solution

The fourth proportional to 31,849.02, 47,772.72 and 15,220.80 is: 22,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.02 : 47,772.72 = 15,220.80 : x
  2. Step 2: Convert to fraction form
    31,849.02/47,772.72 = 15,220.80/x
  3. Step 3: Cross multiply
    31,849.02x = 47,772.72 × 15,220.80
  4. Step 4: Simplify right side
    31,849.02x = 727,139,016.58
  5. Step 5: Solve for x
    x = 727,139,016.58/31,849.02
  6. Step 6: Final answer
    x = 22,830.81

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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.