Home / 38,007.30-57,043.35-16,979.70

Finding the Fourth Proportional to 38,007.30, 57,043.35 and 16,979.70

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Solution

The fourth proportional to 38,007.30, 57,043.35 and 16,979.70 is: 25,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.30 : 57,043.35 = 16,979.70 : x
  2. Step 2: Convert to fraction form
    38,007.30/57,043.35 = 16,979.70/x
  3. Step 3: Cross multiply
    38,007.30x = 57,043.35 × 16,979.70
  4. Step 4: Simplify right side
    38,007.30x = 968,578,970.00
  5. Step 5: Solve for x
    x = 968,578,970.00/38,007.30
  6. Step 6: Final answer
    x = 25,484.02

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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.