Home / 55,949.52-77,216.91-31,424.36

Finding the Fourth Proportional to 55,949.52, 77,216.91 and 31,424.36

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Solution

The fourth proportional to 55,949.52, 77,216.91 and 31,424.36 is: 43,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.52 : 77,216.91 = 31,424.36 : x
  2. Step 2: Convert to fraction form
    55,949.52/77,216.91 = 31,424.36/x
  3. Step 3: Cross multiply
    55,949.52x = 77,216.91 × 31,424.36
  4. Step 4: Simplify right side
    55,949.52x = 2,426,491,591.84
  5. Step 5: Solve for x
    x = 2,426,491,591.84/55,949.52
  6. Step 6: Final answer
    x = 43,369.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.