Home / 55,296.96-76,310.28-30,148.08

Finding the Fourth Proportional to 55,296.96, 76,310.28 and 30,148.08

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Solution

The fourth proportional to 55,296.96, 76,310.28 and 30,148.08 is: 41,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.96 : 76,310.28 = 30,148.08 : x
  2. Step 2: Convert to fraction form
    55,296.96/76,310.28 = 30,148.08/x
  3. Step 3: Cross multiply
    55,296.96x = 76,310.28 × 30,148.08
  4. Step 4: Simplify right side
    55,296.96x = 2,300,608,426.26
  5. Step 5: Solve for x
    x = 2,300,608,426.26/55,296.96
  6. Step 6: Final answer
    x = 41,604.61

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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.