Home / 55,035.72-82,553.58-19,975.32

Finding the Fourth Proportional to 55,035.72, 82,553.58 and 19,975.32

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Solution

The fourth proportional to 55,035.72, 82,553.58 and 19,975.32 is: 29,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.72 : 82,553.58 = 19,975.32 : x
  2. Step 2: Convert to fraction form
    55,035.72/82,553.58 = 19,975.32/x
  3. Step 3: Cross multiply
    55,035.72x = 82,553.58 × 19,975.32
  4. Step 4: Simplify right side
    55,035.72x = 1,649,034,177.65
  5. Step 5: Solve for x
    x = 1,649,034,177.65/55,035.72
  6. Step 6: Final answer
    x = 29,962.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.