Home / 39,677.80-59,516.88-13,382.76

Finding the Fourth Proportional to 39,677.80, 59,516.88 and 13,382.76

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Solution

The fourth proportional to 39,677.80, 59,516.88 and 13,382.76 is: 20,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.80 : 59,516.88 = 13,382.76 : x
  2. Step 2: Convert to fraction form
    39,677.80/59,516.88 = 13,382.76/x
  3. Step 3: Cross multiply
    39,677.80x = 59,516.88 × 13,382.76
  4. Step 4: Simplify right side
    39,677.80x = 796,500,120.99
  5. Step 5: Solve for x
    x = 796,500,120.99/39,677.80
  6. Step 6: Final answer
    x = 20,074.20

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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.