Home / 34,639.36-47,802.84-20,295.75

Finding the Fourth Proportional to 34,639.36, 47,802.84 and 20,295.75

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Solution

The fourth proportional to 34,639.36, 47,802.84 and 20,295.75 is: 28,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.36 : 47,802.84 = 20,295.75 : x
  2. Step 2: Convert to fraction form
    34,639.36/47,802.84 = 20,295.75/x
  3. Step 3: Cross multiply
    34,639.36x = 47,802.84 × 20,295.75
  4. Step 4: Simplify right side
    34,639.36x = 970,194,489.93
  5. Step 5: Solve for x
    x = 970,194,489.93/34,639.36
  6. Step 6: Final answer
    x = 28,008.44

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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.