Home / 47,253.44-70,855.32-20,946.80

Finding the Fourth Proportional to 47,253.44, 70,855.32 and 20,946.80

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Solution

The fourth proportional to 47,253.44, 70,855.32 and 20,946.80 is: 31,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.44 : 70,855.32 = 20,946.80 : x
  2. Step 2: Convert to fraction form
    47,253.44/70,855.32 = 20,946.80/x
  3. Step 3: Cross multiply
    47,253.44x = 70,855.32 × 20,946.80
  4. Step 4: Simplify right side
    47,253.44x = 1,484,192,216.98
  5. Step 5: Solve for x
    x = 1,484,192,216.98/47,253.44
  6. Step 6: Final answer
    x = 31,409.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.