Home / 39,407.04-54,381.24-22,640.04

Finding the Fourth Proportional to 39,407.04, 54,381.24 and 22,640.04

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Solution

The fourth proportional to 39,407.04, 54,381.24 and 22,640.04 is: 31,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.04 : 54,381.24 = 22,640.04 : x
  2. Step 2: Convert to fraction form
    39,407.04/54,381.24 = 22,640.04/x
  3. Step 3: Cross multiply
    39,407.04x = 54,381.24 × 22,640.04
  4. Step 4: Simplify right side
    39,407.04x = 1,231,193,448.85
  5. Step 5: Solve for x
    x = 1,231,193,448.85/39,407.04
  6. Step 6: Final answer
    x = 31,242.98

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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.