Home / 35,629.76-53,452.28-13,140.52

Finding the Fourth Proportional to 35,629.76, 53,452.28 and 13,140.52

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Solution

The fourth proportional to 35,629.76, 53,452.28 and 13,140.52 is: 19,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,629.76 : 53,452.28 = 13,140.52 : x
  2. Step 2: Convert to fraction form
    35,629.76/53,452.28 = 13,140.52/x
  3. Step 3: Cross multiply
    35,629.76x = 53,452.28 × 13,140.52
  4. Step 4: Simplify right side
    35,629.76x = 702,390,653.61
  5. Step 5: Solve for x
    x = 702,390,653.61/35,629.76
  6. Step 6: Final answer
    x = 19,713.59

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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.