Home / 38,640.42-57,982.56-16,451.49

Finding the Fourth Proportional to 38,640.42, 57,982.56 and 16,451.49

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Solution

The fourth proportional to 38,640.42, 57,982.56 and 16,451.49 is: 24,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.42 : 57,982.56 = 16,451.49 : x
  2. Step 2: Convert to fraction form
    38,640.42/57,982.56 = 16,451.49/x
  3. Step 3: Cross multiply
    38,640.42x = 57,982.56 × 16,451.49
  4. Step 4: Simplify right side
    38,640.42x = 953,899,506.01
  5. Step 5: Solve for x
    x = 953,899,506.01/38,640.42
  6. Step 6: Final answer
    x = 24,686.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.