Home / 31,722.36-47,573.80-21,924.60

Finding the Fourth Proportional to 31,722.36, 47,573.80 and 21,924.60

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Solution

The fourth proportional to 31,722.36, 47,573.80 and 21,924.60 is: 32,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.36 : 47,573.80 = 21,924.60 : x
  2. Step 2: Convert to fraction form
    31,722.36/47,573.80 = 21,924.60/x
  3. Step 3: Cross multiply
    31,722.36x = 47,573.80 × 21,924.60
  4. Step 4: Simplify right side
    31,722.36x = 1,043,036,535.48
  5. Step 5: Solve for x
    x = 1,043,036,535.48/31,722.36
  6. Step 6: Final answer
    x = 32,880.17

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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.