Home / 35,245.24-52,851.12-20,458.69

Finding the Fourth Proportional to 35,245.24, 52,851.12 and 20,458.69

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Solution

The fourth proportional to 35,245.24, 52,851.12 and 20,458.69 is: 30,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.24 : 52,851.12 = 20,458.69 : x
  2. Step 2: Convert to fraction form
    35,245.24/52,851.12 = 20,458.69/x
  3. Step 3: Cross multiply
    35,245.24x = 52,851.12 × 20,458.69
  4. Step 4: Simplify right side
    35,245.24x = 1,081,264,680.23
  5. Step 5: Solve for x
    x = 1,081,264,680.23/35,245.24
  6. Step 6: Final answer
    x = 30,678.32

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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.