Home / 51,520.86-71,120.23-35,411.28

Finding the Fourth Proportional to 51,520.86, 71,120.23 and 35,411.28

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Solution

The fourth proportional to 51,520.86, 71,120.23 and 35,411.28 is: 48,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.86 : 71,120.23 = 35,411.28 : x
  2. Step 2: Convert to fraction form
    51,520.86/71,120.23 = 35,411.28/x
  3. Step 3: Cross multiply
    51,520.86x = 71,120.23 × 35,411.28
  4. Step 4: Simplify right side
    51,520.86x = 2,518,458,022.97
  5. Step 5: Solve for x
    x = 2,518,458,022.97/51,520.86
  6. Step 6: Final answer
    x = 48,882.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.