Home / 47,854.79-71,811.23-17,890.84

Finding the Fourth Proportional to 47,854.79, 71,811.23 and 17,890.84

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Solution

The fourth proportional to 47,854.79, 71,811.23 and 17,890.84 is: 26,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.79 : 71,811.23 = 17,890.84 : x
  2. Step 2: Convert to fraction form
    47,854.79/71,811.23 = 17,890.84/x
  3. Step 3: Cross multiply
    47,854.79x = 71,811.23 × 17,890.84
  4. Step 4: Simplify right side
    47,854.79x = 1,284,763,226.13
  5. Step 5: Solve for x
    x = 1,284,763,226.13/47,854.79
  6. Step 6: Final answer
    x = 26,847.12

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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.