Home / 34,511.16-47,628.44-20,361.24

Finding the Fourth Proportional to 34,511.16, 47,628.44 and 20,361.24

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Solution

The fourth proportional to 34,511.16, 47,628.44 and 20,361.24 is: 28,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511.16 : 47,628.44 = 20,361.24 : x
  2. Step 2: Convert to fraction form
    34,511.16/47,628.44 = 20,361.24/x
  3. Step 3: Cross multiply
    34,511.16x = 47,628.44 × 20,361.24
  4. Step 4: Simplify right side
    34,511.16x = 969,774,097.67
  5. Step 5: Solve for x
    x = 969,774,097.67/34,511.16
  6. Step 6: Final answer
    x = 28,100.30

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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.