Home / 39,350.75-54,297.81-22,119.71

Finding the Fourth Proportional to 39,350.75, 54,297.81 and 22,119.71

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Solution

The fourth proportional to 39,350.75, 54,297.81 and 22,119.71 is: 30,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.75 : 54,297.81 = 22,119.71 : x
  2. Step 2: Convert to fraction form
    39,350.75/54,297.81 = 22,119.71/x
  3. Step 3: Cross multiply
    39,350.75x = 54,297.81 × 22,119.71
  4. Step 4: Simplify right side
    39,350.75x = 1,201,051,539.35
  5. Step 5: Solve for x
    x = 1,201,051,539.35/39,350.75
  6. Step 6: Final answer
    x = 30,521.70

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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.