Home / 43,356.42-65,034.66-12,191.67

Finding the Fourth Proportional to 43,356.42, 65,034.66 and 12,191.67

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Solution

The fourth proportional to 43,356.42, 65,034.66 and 12,191.67 is: 18,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.42 : 65,034.66 = 12,191.67 : x
  2. Step 2: Convert to fraction form
    43,356.42/65,034.66 = 12,191.67/x
  3. Step 3: Cross multiply
    43,356.42x = 65,034.66 × 12,191.67
  4. Step 4: Simplify right side
    43,356.42x = 792,881,113.28
  5. Step 5: Solve for x
    x = 792,881,113.28/43,356.42
  6. Step 6: Final answer
    x = 18,287.51

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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.