Home / 71,566.93-107,352.83-18,981.73

Finding the Fourth Proportional to 71,566.93, 107,352.83 and 18,981.73

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Solution

The fourth proportional to 71,566.93, 107,352.83 and 18,981.73 is: 28,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.93 : 107,352.83 = 18,981.73 : x
  2. Step 2: Convert to fraction form
    71,566.93/107,352.83 = 18,981.73/x
  3. Step 3: Cross multiply
    71,566.93x = 107,352.83 × 18,981.73
  4. Step 4: Simplify right side
    71,566.93x = 2,037,742,433.80
  5. Step 5: Solve for x
    x = 2,037,742,433.80/71,566.93
  6. Step 6: Final answer
    x = 28,473.24

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1.5x scale

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.