Home / 55,527.88-76,628.34-30,377.32

Finding the Fourth Proportional to 55,527.88, 76,628.34 and 30,377.32

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Solution

The fourth proportional to 55,527.88, 76,628.34 and 30,377.32 is: 41,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.88 : 76,628.34 = 30,377.32 : x
  2. Step 2: Convert to fraction form
    55,527.88/76,628.34 = 30,377.32/x
  3. Step 3: Cross multiply
    55,527.88x = 76,628.34 × 30,377.32
  4. Step 4: Simplify right side
    55,527.88x = 2,327,763,605.25
  5. Step 5: Solve for x
    x = 2,327,763,605.25/55,527.88
  6. Step 6: Final answer
    x = 41,920.63

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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.