Home / 35,285.76-52,915.28-14,218.64

Finding the Fourth Proportional to 35,285.76, 52,915.28 and 14,218.64

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Solution

The fourth proportional to 35,285.76, 52,915.28 and 14,218.64 is: 21,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.76 : 52,915.28 = 14,218.64 : x
  2. Step 2: Convert to fraction form
    35,285.76/52,915.28 = 14,218.64/x
  3. Step 3: Cross multiply
    35,285.76x = 52,915.28 × 14,218.64
  4. Step 4: Simplify right side
    35,285.76x = 752,383,316.82
  5. Step 5: Solve for x
    x = 752,383,316.82/35,285.76
  6. Step 6: Final answer
    x = 21,322.58

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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.