Home / 39,136.74-54,012.33-22,366.50

Finding the Fourth Proportional to 39,136.74, 54,012.33 and 22,366.50

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Solution

The fourth proportional to 39,136.74, 54,012.33 and 22,366.50 is: 30,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.74 : 54,012.33 = 22,366.50 : x
  2. Step 2: Convert to fraction form
    39,136.74/54,012.33 = 22,366.50/x
  3. Step 3: Cross multiply
    39,136.74x = 54,012.33 × 22,366.50
  4. Step 4: Simplify right side
    39,136.74x = 1,208,066,778.95
  5. Step 5: Solve for x
    x = 1,208,066,778.95/39,136.74
  6. Step 6: Final answer
    x = 30,867.84

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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.