Home / 47,357.85-71,047.89-14,078.19

Finding the Fourth Proportional to 47,357.85, 71,047.89 and 14,078.19

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Solution

The fourth proportional to 47,357.85, 71,047.89 and 14,078.19 is: 21,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,357.85 : 71,047.89 = 14,078.19 : x
  2. Step 2: Convert to fraction form
    47,357.85/71,047.89 = 14,078.19/x
  3. Step 3: Cross multiply
    47,357.85x = 71,047.89 × 14,078.19
  4. Step 4: Simplify right side
    47,357.85x = 1,000,225,694.52
  5. Step 5: Solve for x
    x = 1,000,225,694.52/47,357.85
  6. Step 6: Final answer
    x = 21,120.59

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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.