Home / 45,162.39-67,718.70-15,555.81

Finding the Fourth Proportional to 45,162.39, 67,718.70 and 15,555.81

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Solution

The fourth proportional to 45,162.39, 67,718.70 and 15,555.81 is: 23,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,162.39 : 67,718.70 = 15,555.81 : x
  2. Step 2: Convert to fraction form
    45,162.39/67,718.70 = 15,555.81/x
  3. Step 3: Cross multiply
    45,162.39x = 67,718.70 × 15,555.81
  4. Step 4: Simplify right side
    45,162.39x = 1,053,419,230.65
  5. Step 5: Solve for x
    x = 1,053,419,230.65/45,162.39
  6. Step 6: Final answer
    x = 23,325.14

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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.