Home / 34,828.36-48,063.71-19,720.62

Finding the Fourth Proportional to 34,828.36, 48,063.71 and 19,720.62

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Solution

The fourth proportional to 34,828.36, 48,063.71 and 19,720.62 is: 27,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,828.36 : 48,063.71 = 19,720.62 : x
  2. Step 2: Convert to fraction form
    34,828.36/48,063.71 = 19,720.62/x
  3. Step 3: Cross multiply
    34,828.36x = 48,063.71 × 19,720.62
  4. Step 4: Simplify right side
    34,828.36x = 947,846,280.86
  5. Step 5: Solve for x
    x = 947,846,280.86/34,828.36
  6. Step 6: Final answer
    x = 27,214.78

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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.