Home / 38,820.15-58,230.18-12,166.32

Finding the Fourth Proportional to 38,820.15, 58,230.18 and 12,166.32

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Solution

The fourth proportional to 38,820.15, 58,230.18 and 12,166.32 is: 18,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.15 : 58,230.18 = 12,166.32 : x
  2. Step 2: Convert to fraction form
    38,820.15/58,230.18 = 12,166.32/x
  3. Step 3: Cross multiply
    38,820.15x = 58,230.18 × 12,166.32
  4. Step 4: Simplify right side
    38,820.15x = 708,447,003.54
  5. Step 5: Solve for x
    x = 708,447,003.54/38,820.15
  6. Step 6: Final answer
    x = 18,249.47

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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.