Home / 34,528.78-47,653.41-20,193.00

Finding the Fourth Proportional to 34,528.78, 47,653.41 and 20,193.00

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Solution

The fourth proportional to 34,528.78, 47,653.41 and 20,193.00 is: 27,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.78 : 47,653.41 = 20,193.00 : x
  2. Step 2: Convert to fraction form
    34,528.78/47,653.41 = 20,193.00/x
  3. Step 3: Cross multiply
    34,528.78x = 47,653.41 × 20,193.00
  4. Step 4: Simplify right side
    34,528.78x = 962,265,205.15
  5. Step 5: Solve for x
    x = 962,265,205.15/34,528.78
  6. Step 6: Final answer
    x = 27,868.50

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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.