Home / 35,512.10-53,251.74-13,309.59

Finding the Fourth Proportional to 35,512.10, 53,251.74 and 13,309.59

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Solution

The fourth proportional to 35,512.10, 53,251.74 and 13,309.59 is: 19,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.10 : 53,251.74 = 13,309.59 : x
  2. Step 2: Convert to fraction form
    35,512.10/53,251.74 = 13,309.59/x
  3. Step 3: Cross multiply
    35,512.10x = 53,251.74 × 13,309.59
  4. Step 4: Simplify right side
    35,512.10x = 708,758,826.19
  5. Step 5: Solve for x
    x = 708,758,826.19/35,512.10
  6. Step 6: Final answer
    x = 19,958.24

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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.