Home / 55,194.20-76,165.80-30,043.72

Finding the Fourth Proportional to 55,194.20, 76,165.80 and 30,043.72

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Solution

The fourth proportional to 55,194.20, 76,165.80 and 30,043.72 is: 41,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,194.20 : 76,165.80 = 30,043.72 : x
  2. Step 2: Convert to fraction form
    55,194.20/76,165.80 = 30,043.72/x
  3. Step 3: Cross multiply
    55,194.20x = 76,165.80 × 30,043.72
  4. Step 4: Simplify right side
    55,194.20x = 2,288,303,968.78
  5. Step 5: Solve for x
    x = 2,288,303,968.78/55,194.20
  6. Step 6: Final answer
    x = 41,459.14

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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.