Home / 35,422.11-53,120.68-10,455.48

Finding the Fourth Proportional to 35,422.11, 53,120.68 and 10,455.48

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Solution

The fourth proportional to 35,422.11, 53,120.68 and 10,455.48 is: 15,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.11 : 53,120.68 = 10,455.48 : x
  2. Step 2: Convert to fraction form
    35,422.11/53,120.68 = 10,455.48/x
  3. Step 3: Cross multiply
    35,422.11x = 53,120.68 × 10,455.48
  4. Step 4: Simplify right side
    35,422.11x = 555,402,181.19
  5. Step 5: Solve for x
    x = 555,402,181.19/35,422.11
  6. Step 6: Final answer
    x = 15,679.53

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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.