Home / 55,608.68-76,740.02-30,115.08

Finding the Fourth Proportional to 55,608.68, 76,740.02 and 30,115.08

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Solution

The fourth proportional to 55,608.68, 76,740.02 and 30,115.08 is: 41,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.68 : 76,740.02 = 30,115.08 : x
  2. Step 2: Convert to fraction form
    55,608.68/76,740.02 = 30,115.08/x
  3. Step 3: Cross multiply
    55,608.68x = 76,740.02 × 30,115.08
  4. Step 4: Simplify right side
    55,608.68x = 2,311,031,690.93
  5. Step 5: Solve for x
    x = 2,311,031,690.93/55,608.68
  6. Step 6: Final answer
    x = 41,558.83

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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.