Home / 53,079.12-79,632.46-15,640.52

Finding the Fourth Proportional to 53,079.12, 79,632.46 and 15,640.52

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Solution

The fourth proportional to 53,079.12, 79,632.46 and 15,640.52 is: 23,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,079.12 : 79,632.46 = 15,640.52 : x
  2. Step 2: Convert to fraction form
    53,079.12/79,632.46 = 15,640.52/x
  3. Step 3: Cross multiply
    53,079.12x = 79,632.46 × 15,640.52
  4. Step 4: Simplify right side
    53,079.12x = 1,245,493,005.08
  5. Step 5: Solve for x
    x = 1,245,493,005.08/53,079.12
  6. Step 6: Final answer
    x = 23,464.84

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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.