Home / 55,874.36-77,107.94-30,723.84

Finding the Fourth Proportional to 55,874.36, 77,107.94 and 30,723.84

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Solution

The fourth proportional to 55,874.36, 77,107.94 and 30,723.84 is: 42,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.36 : 77,107.94 = 30,723.84 : x
  2. Step 2: Convert to fraction form
    55,874.36/77,107.94 = 30,723.84/x
  3. Step 3: Cross multiply
    55,874.36x = 77,107.94 × 30,723.84
  4. Step 4: Simplify right side
    55,874.36x = 2,369,052,011.29
  5. Step 5: Solve for x
    x = 2,369,052,011.29/55,874.36
  6. Step 6: Final answer
    x = 42,399.63

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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.