Home / 67,516.68-93,185.99-38,855.64

Finding the Fourth Proportional to 67,516.68, 93,185.99 and 38,855.64

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Solution

The fourth proportional to 67,516.68, 93,185.99 and 38,855.64 is: 53,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,516.68 : 93,185.99 = 38,855.64 : x
  2. Step 2: Convert to fraction form
    67,516.68/93,185.99 = 38,855.64/x
  3. Step 3: Cross multiply
    67,516.68x = 93,185.99 × 38,855.64
  4. Step 4: Simplify right side
    67,516.68x = 3,620,801,280.48
  5. Step 5: Solve for x
    x = 3,620,801,280.48/67,516.68
  6. Step 6: Final answer
    x = 53,628.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.