Home / 47,920.02-71,867.70-19,847.94

Finding the Fourth Proportional to 47,920.02, 71,867.70 and 19,847.94

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Solution

The fourth proportional to 47,920.02, 71,867.70 and 19,847.94 is: 29,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.02 : 71,867.70 = 19,847.94 : x
  2. Step 2: Convert to fraction form
    47,920.02/71,867.70 = 19,847.94/x
  3. Step 3: Cross multiply
    47,920.02x = 71,867.70 × 19,847.94
  4. Step 4: Simplify right side
    47,920.02x = 1,426,425,797.54
  5. Step 5: Solve for x
    x = 1,426,425,797.54/47,920.02
  6. Step 6: Final answer
    x = 29,766.80

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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.