Home / 55,328.20-76,352.58-31,454.88

Finding the Fourth Proportional to 55,328.20, 76,352.58 and 31,454.88

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Solution

The fourth proportional to 55,328.20, 76,352.58 and 31,454.88 is: 43,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.20 : 76,352.58 = 31,454.88 : x
  2. Step 2: Convert to fraction form
    55,328.20/76,352.58 = 31,454.88/x
  3. Step 3: Cross multiply
    55,328.20x = 76,352.58 × 31,454.88
  4. Step 4: Simplify right side
    55,328.20x = 2,401,661,241.59
  5. Step 5: Solve for x
    x = 2,401,661,241.59/55,328.20
  6. Step 6: Final answer
    x = 43,407.54

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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.