Home / 55,296.84-76,317.54-31,418.76

Finding the Fourth Proportional to 55,296.84, 76,317.54 and 31,418.76

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Solution

The fourth proportional to 55,296.84, 76,317.54 and 31,418.76 is: 43,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.84 : 76,317.54 = 31,418.76 : x
  2. Step 2: Convert to fraction form
    55,296.84/76,317.54 = 31,418.76/x
  3. Step 3: Cross multiply
    55,296.84x = 76,317.54 × 31,418.76
  4. Step 4: Simplify right side
    55,296.84x = 2,397,802,473.05
  5. Step 5: Solve for x
    x = 2,397,802,473.05/55,296.84
  6. Step 6: Final answer
    x = 43,362.38

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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.