Home / 55,527.83-76,630.21-30,377.33

Finding the Fourth Proportional to 55,527.83, 76,630.21 and 30,377.33

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Solution

The fourth proportional to 55,527.83, 76,630.21 and 30,377.33 is: 41,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.83 : 76,630.21 = 30,377.33 : x
  2. Step 2: Convert to fraction form
    55,527.83/76,630.21 = 30,377.33/x
  3. Step 3: Cross multiply
    55,527.83x = 76,630.21 × 30,377.33
  4. Step 4: Simplify right side
    55,527.83x = 2,327,821,177.14
  5. Step 5: Solve for x
    x = 2,327,821,177.14/55,527.83
  6. Step 6: Final answer
    x = 41,921.70

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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.