Home / 35,415.11-53,116.52-13,228.68

Finding the Fourth Proportional to 35,415.11, 53,116.52 and 13,228.68

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Solution

The fourth proportional to 35,415.11, 53,116.52 and 13,228.68 is: 19,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.11 : 53,116.52 = 13,228.68 : x
  2. Step 2: Convert to fraction form
    35,415.11/53,116.52 = 13,228.68/x
  3. Step 3: Cross multiply
    35,415.11x = 53,116.52 × 13,228.68
  4. Step 4: Simplify right side
    35,415.11x = 702,661,478.87
  5. Step 5: Solve for x
    x = 702,661,478.87/35,415.11
  6. Step 6: Final answer
    x = 19,840.72

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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.