Home / 35,447.12-53,119.80-27,512.40

Finding the Fourth Proportional to 35,447.12, 53,119.80 and 27,512.40

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Solution

The fourth proportional to 35,447.12, 53,119.80 and 27,512.40 is: 41,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.12 : 53,119.80 = 27,512.40 : x
  2. Step 2: Convert to fraction form
    35,447.12/53,119.80 = 27,512.40/x
  3. Step 3: Cross multiply
    35,447.12x = 53,119.80 × 27,512.40
  4. Step 4: Simplify right side
    35,447.12x = 1,461,453,185.52
  5. Step 5: Solve for x
    x = 1,461,453,185.52/35,447.12
  6. Step 6: Final answer
    x = 41,229.11

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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.