Home / 39,667.68-54,737.94-22,668.57

Finding the Fourth Proportional to 39,667.68, 54,737.94 and 22,668.57

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Solution

The fourth proportional to 39,667.68, 54,737.94 and 22,668.57 is: 31,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.68 : 54,737.94 = 22,668.57 : x
  2. Step 2: Convert to fraction form
    39,667.68/54,737.94 = 22,668.57/x
  3. Step 3: Cross multiply
    39,667.68x = 54,737.94 × 22,668.57
  4. Step 4: Simplify right side
    39,667.68x = 1,240,830,824.55
  5. Step 5: Solve for x
    x = 1,240,830,824.55/39,667.68
  6. Step 6: Final answer
    x = 31,280.65

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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.