Home / 49,555.48-68,391.36-28,330.72

Finding the Fourth Proportional to 49,555.48, 68,391.36 and 28,330.72

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Solution

The fourth proportional to 49,555.48, 68,391.36 and 28,330.72 is: 39,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,555.48 : 68,391.36 = 28,330.72 : x
  2. Step 2: Convert to fraction form
    49,555.48/68,391.36 = 28,330.72/x
  3. Step 3: Cross multiply
    49,555.48x = 68,391.36 × 28,330.72
  4. Step 4: Simplify right side
    49,555.48x = 1,937,576,470.58
  5. Step 5: Solve for x
    x = 1,937,576,470.58/49,555.48
  6. Step 6: Final answer
    x = 39,099.14

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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.