Home / 34,639.44-47,802.39-18,723.88

Finding the Fourth Proportional to 34,639.44, 47,802.39 and 18,723.88

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Solution

The fourth proportional to 34,639.44, 47,802.39 and 18,723.88 is: 25,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.44 : 47,802.39 = 18,723.88 : x
  2. Step 2: Convert to fraction form
    34,639.44/47,802.39 = 18,723.88/x
  3. Step 3: Cross multiply
    34,639.44x = 47,802.39 × 18,723.88
  4. Step 4: Simplify right side
    34,639.44x = 895,046,214.07
  5. Step 5: Solve for x
    x = 895,046,214.07/34,639.44
  6. Step 6: Final answer
    x = 25,838.93

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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.