Home / 39,136.21-58,678.79-25,768.76

Finding the Fourth Proportional to 39,136.21, 58,678.79 and 25,768.76

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Solution

The fourth proportional to 39,136.21, 58,678.79 and 25,768.76 is: 38,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.21 : 58,678.79 = 25,768.76 : x
  2. Step 2: Convert to fraction form
    39,136.21/58,678.79 = 25,768.76/x
  3. Step 3: Cross multiply
    39,136.21x = 58,678.79 × 25,768.76
  4. Step 4: Simplify right side
    39,136.21x = 1,512,079,656.60
  5. Step 5: Solve for x
    x = 1,512,079,656.60/39,136.21
  6. Step 6: Final answer
    x = 38,636.33

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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.