Home / 51,680.43-77,518.22-30,345.03

Finding the Fourth Proportional to 51,680.43, 77,518.22 and 30,345.03

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Solution

The fourth proportional to 51,680.43, 77,518.22 and 30,345.03 is: 45,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.43 : 77,518.22 = 30,345.03 : x
  2. Step 2: Convert to fraction form
    51,680.43/77,518.22 = 30,345.03/x
  3. Step 3: Cross multiply
    51,680.43x = 77,518.22 × 30,345.03
  4. Step 4: Simplify right side
    51,680.43x = 2,352,292,559.72
  5. Step 5: Solve for x
    x = 2,352,292,559.72/51,680.43
  6. Step 6: Final answer
    x = 45,516.12

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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.