Home / 47,710.80-71,566.20-40,329.68

Finding the Fourth Proportional to 47,710.80, 71,566.20 and 40,329.68

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Solution

The fourth proportional to 47,710.80, 71,566.20 and 40,329.68 is: 60,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.80 : 71,566.20 = 40,329.68 : x
  2. Step 2: Convert to fraction form
    47,710.80/71,566.20 = 40,329.68/x
  3. Step 3: Cross multiply
    47,710.80x = 71,566.20 × 40,329.68
  4. Step 4: Simplify right side
    47,710.80x = 2,886,241,586.99
  5. Step 5: Solve for x
    x = 2,886,241,586.99/47,710.80
  6. Step 6: Final answer
    x = 60,494.51

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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.