Home / 55,327.08-76,348.52-30,171.72

Finding the Fourth Proportional to 55,327.08, 76,348.52 and 30,171.72

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Solution

The fourth proportional to 55,327.08, 76,348.52 and 30,171.72 is: 41,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.08 : 76,348.52 = 30,171.72 : x
  2. Step 2: Convert to fraction form
    55,327.08/76,348.52 = 30,171.72/x
  3. Step 3: Cross multiply
    55,327.08x = 76,348.52 × 30,171.72
  4. Step 4: Simplify right side
    55,327.08x = 2,303,566,586.16
  5. Step 5: Solve for x
    x = 2,303,566,586.16/55,327.08
  6. Step 6: Final answer
    x = 41,635.42

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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.