Home / 55,276.87-76,284.19-30,126.37

Finding the Fourth Proportional to 55,276.87, 76,284.19 and 30,126.37

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Solution

The fourth proportional to 55,276.87, 76,284.19 and 30,126.37 is: 41,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.87 : 76,284.19 = 30,126.37 : x
  2. Step 2: Convert to fraction form
    55,276.87/76,284.19 = 30,126.37/x
  3. Step 3: Cross multiply
    55,276.87x = 76,284.19 × 30,126.37
  4. Step 4: Simplify right side
    55,276.87x = 2,298,165,580.04
  5. Step 5: Solve for x
    x = 2,298,165,580.04/55,276.87
  6. Step 6: Final answer
    x = 41,575.54

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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.