Home / 51,948.32-77,904.80-16,879.28

Finding the Fourth Proportional to 51,948.32, 77,904.80 and 16,879.28

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Solution

The fourth proportional to 51,948.32, 77,904.80 and 16,879.28 is: 25,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.32 : 77,904.80 = 16,879.28 : x
  2. Step 2: Convert to fraction form
    51,948.32/77,904.80 = 16,879.28/x
  3. Step 3: Cross multiply
    51,948.32x = 77,904.80 × 16,879.28
  4. Step 4: Simplify right side
    51,948.32x = 1,314,976,932.54
  5. Step 5: Solve for x
    x = 1,314,976,932.54/51,948.32
  6. Step 6: Final answer
    x = 25,313.18

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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.