Home / 39,219.21-54,123.20-22,223.04

Finding the Fourth Proportional to 39,219.21, 54,123.20 and 22,223.04

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Solution

The fourth proportional to 39,219.21, 54,123.20 and 22,223.04 is: 30,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.21 : 54,123.20 = 22,223.04 : x
  2. Step 2: Convert to fraction form
    39,219.21/54,123.20 = 22,223.04/x
  3. Step 3: Cross multiply
    39,219.21x = 54,123.20 × 22,223.04
  4. Step 4: Simplify right side
    39,219.21x = 1,202,782,038.53
  5. Step 5: Solve for x
    x = 1,202,782,038.53/39,219.21
  6. Step 6: Final answer
    x = 30,668.19

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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.