Home / 32,162.15-48,245.12-12,440.81

Finding the Fourth Proportional to 32,162.15, 48,245.12 and 12,440.81

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Solution

The fourth proportional to 32,162.15, 48,245.12 and 12,440.81 is: 18,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,162.15 : 48,245.12 = 12,440.81 : x
  2. Step 2: Convert to fraction form
    32,162.15/48,245.12 = 12,440.81/x
  3. Step 3: Cross multiply
    32,162.15x = 48,245.12 × 12,440.81
  4. Step 4: Simplify right side
    32,162.15x = 600,208,371.35
  5. Step 5: Solve for x
    x = 600,208,371.35/32,162.15
  6. Step 6: Final answer
    x = 18,661.95

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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.