Home / 55,750.20-83,625.30-20,682.90

Finding the Fourth Proportional to 55,750.20, 83,625.30 and 20,682.90

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Solution

The fourth proportional to 55,750.20, 83,625.30 and 20,682.90 is: 31,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.20 : 83,625.30 = 20,682.90 : x
  2. Step 2: Convert to fraction form
    55,750.20/83,625.30 = 20,682.90/x
  3. Step 3: Cross multiply
    55,750.20x = 83,625.30 × 20,682.90
  4. Step 4: Simplify right side
    55,750.20x = 1,729,613,717.37
  5. Step 5: Solve for x
    x = 1,729,613,717.37/55,750.20
  6. Step 6: Final answer
    x = 31,024.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.