Home / 34,838.44-48,068.80-20,498.90

Finding the Fourth Proportional to 34,838.44, 48,068.80 and 20,498.90

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Solution

The fourth proportional to 34,838.44, 48,068.80 and 20,498.90 is: 28,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.44 : 48,068.80 = 20,498.90 : x
  2. Step 2: Convert to fraction form
    34,838.44/48,068.80 = 20,498.90/x
  3. Step 3: Cross multiply
    34,838.44x = 48,068.80 × 20,498.90
  4. Step 4: Simplify right side
    34,838.44x = 985,357,232.73
  5. Step 5: Solve for x
    x = 985,357,232.73/34,838.44
  6. Step 6: Final answer
    x = 28,283.62

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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.