Home / 39,216.71-54,119.75-22,220.53

Finding the Fourth Proportional to 39,216.71, 54,119.75 and 22,220.53

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Solution

The fourth proportional to 39,216.71, 54,119.75 and 22,220.53 is: 30,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.71 : 54,119.75 = 22,220.53 : x
  2. Step 2: Convert to fraction form
    39,216.71/54,119.75 = 22,220.53/x
  3. Step 3: Cross multiply
    39,216.71x = 54,119.75 × 22,220.53
  4. Step 4: Simplify right side
    39,216.71x = 1,202,569,282.07
  5. Step 5: Solve for x
    x = 1,202,569,282.07/39,216.71
  6. Step 6: Final answer
    x = 30,664.72

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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.