Home / 49,828.40-68,760.60-30,965.12

Finding the Fourth Proportional to 49,828.40, 68,760.60 and 30,965.12

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Solution

The fourth proportional to 49,828.40, 68,760.60 and 30,965.12 is: 42,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.40 : 68,760.60 = 30,965.12 : x
  2. Step 2: Convert to fraction form
    49,828.40/68,760.60 = 30,965.12/x
  3. Step 3: Cross multiply
    49,828.40x = 68,760.60 × 30,965.12
  4. Step 4: Simplify right side
    49,828.40x = 2,129,180,230.27
  5. Step 5: Solve for x
    x = 2,129,180,230.27/49,828.40
  6. Step 6: Final answer
    x = 42,730.25

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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.