Home / 34,639.44-47,770.52-21,870.44

Finding the Fourth Proportional to 34,639.44, 47,770.52 and 21,870.44

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Solution

The fourth proportional to 34,639.44, 47,770.52 and 21,870.44 is: 30,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.44 : 47,770.52 = 21,870.44 : x
  2. Step 2: Convert to fraction form
    34,639.44/47,770.52 = 21,870.44/x
  3. Step 3: Cross multiply
    34,639.44x = 47,770.52 × 21,870.44
  4. Step 4: Simplify right side
    34,639.44x = 1,044,762,291.43
  5. Step 5: Solve for x
    x = 1,044,762,291.43/34,639.44
  6. Step 6: Final answer
    x = 30,161.06

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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.