Home / 55,764.21-76,919.58-33,087.15

Finding the Fourth Proportional to 55,764.21, 76,919.58 and 33,087.15

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Solution

The fourth proportional to 55,764.21, 76,919.58 and 33,087.15 is: 45,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.21 : 76,919.58 = 33,087.15 : x
  2. Step 2: Convert to fraction form
    55,764.21/76,919.58 = 33,087.15/x
  3. Step 3: Cross multiply
    55,764.21x = 76,919.58 × 33,087.15
  4. Step 4: Simplify right side
    55,764.21x = 2,545,049,681.40
  5. Step 5: Solve for x
    x = 2,545,049,681.40/55,764.21
  6. Step 6: Final answer
    x = 45,639.48

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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.