Home / 54,367.55-75,031.74-30,170.79

Finding the Fourth Proportional to 54,367.55, 75,031.74 and 30,170.79

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Solution

The fourth proportional to 54,367.55, 75,031.74 and 30,170.79 is: 41,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.55 : 75,031.74 = 30,170.79 : x
  2. Step 2: Convert to fraction form
    54,367.55/75,031.74 = 30,170.79/x
  3. Step 3: Cross multiply
    54,367.55x = 75,031.74 × 30,170.79
  4. Step 4: Simplify right side
    54,367.55x = 2,263,766,870.87
  5. Step 5: Solve for x
    x = 2,263,766,870.87/54,367.55
  6. Step 6: Final answer
    x = 41,638.20

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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.