Home / 55,527.60-76,629.84-30,377.08

Finding the Fourth Proportional to 55,527.60, 76,629.84 and 30,377.08

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Solution

The fourth proportional to 55,527.60, 76,629.84 and 30,377.08 is: 41,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.60 : 76,629.84 = 30,377.08 : x
  2. Step 2: Convert to fraction form
    55,527.60/76,629.84 = 30,377.08/x
  3. Step 3: Cross multiply
    55,527.60x = 76,629.84 × 30,377.08
  4. Step 4: Simplify right side
    55,527.60x = 2,327,790,780.07
  5. Step 5: Solve for x
    x = 2,327,790,780.07/55,527.60
  6. Step 6: Final answer
    x = 41,921.33

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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.