Home / 38,790.80-58,186.20-36,166.40

Finding the Fourth Proportional to 38,790.80, 58,186.20 and 36,166.40

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Solution

The fourth proportional to 38,790.80, 58,186.20 and 36,166.40 is: 54,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790.80 : 58,186.20 = 36,166.40 : x
  2. Step 2: Convert to fraction form
    38,790.80/58,186.20 = 36,166.40/x
  3. Step 3: Cross multiply
    38,790.80x = 58,186.20 × 36,166.40
  4. Step 4: Simplify right side
    38,790.80x = 2,104,385,383.68
  5. Step 5: Solve for x
    x = 2,104,385,383.68/38,790.80
  6. Step 6: Final answer
    x = 54,249.60

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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.