Home / 55,704.70-76,872.81-31,832.25

Finding the Fourth Proportional to 55,704.70, 76,872.81 and 31,832.25

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Solution

The fourth proportional to 55,704.70, 76,872.81 and 31,832.25 is: 43,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.70 : 76,872.81 = 31,832.25 : x
  2. Step 2: Convert to fraction form
    55,704.70/76,872.81 = 31,832.25/x
  3. Step 3: Cross multiply
    55,704.70x = 76,872.81 × 31,832.25
  4. Step 4: Simplify right side
    55,704.70x = 2,447,034,506.12
  5. Step 5: Solve for x
    x = 2,447,034,506.12/55,704.70
  6. Step 6: Final answer
    x = 43,928.69

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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.