Home / 35,443.75-53,174.85-13,258.86

Finding the Fourth Proportional to 35,443.75, 53,174.85 and 13,258.86

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Solution

The fourth proportional to 35,443.75, 53,174.85 and 13,258.86 is: 19,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.75 : 53,174.85 = 13,258.86 : x
  2. Step 2: Convert to fraction form
    35,443.75/53,174.85 = 13,258.86/x
  3. Step 3: Cross multiply
    35,443.75x = 53,174.85 × 13,258.86
  4. Step 4: Simplify right side
    35,443.75x = 705,037,866.58
  5. Step 5: Solve for x
    x = 705,037,866.58/35,443.75
  6. Step 6: Final answer
    x = 19,891.74

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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.