Home / 82,892.40-124,324.20-30,274.80

Finding the Fourth Proportional to 82,892.40, 124,324.20 and 30,274.80

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Solution

The fourth proportional to 82,892.40, 124,324.20 and 30,274.80 is: 45,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,892.40 : 124,324.20 = 30,274.80 : x
  2. Step 2: Convert to fraction form
    82,892.40/124,324.20 = 30,274.80/x
  3. Step 3: Cross multiply
    82,892.40x = 124,324.20 × 30,274.80
  4. Step 4: Simplify right side
    82,892.40x = 3,763,890,290.16
  5. Step 5: Solve for x
    x = 3,763,890,290.16/82,892.40
  6. Step 6: Final answer
    x = 45,406.94

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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.