Home / 38,604.15-57,910.55-12,302.91

Finding the Fourth Proportional to 38,604.15, 57,910.55 and 12,302.91

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Solution

The fourth proportional to 38,604.15, 57,910.55 and 12,302.91 is: 18,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.15 : 57,910.55 = 12,302.91 : x
  2. Step 2: Convert to fraction form
    38,604.15/57,910.55 = 12,302.91/x
  3. Step 3: Cross multiply
    38,604.15x = 57,910.55 × 12,302.91
  4. Step 4: Simplify right side
    38,604.15x = 712,468,223.19
  5. Step 5: Solve for x
    x = 712,468,223.19/38,604.15
  6. Step 6: Final answer
    x = 18,455.74

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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.