Home / 31,583.87-43,533.81-22,388.50

Finding the Fourth Proportional to 31,583.87, 43,533.81 and 22,388.50

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Solution

The fourth proportional to 31,583.87, 43,533.81 and 22,388.50 is: 30,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.87 : 43,533.81 = 22,388.50 : x
  2. Step 2: Convert to fraction form
    31,583.87/43,533.81 = 22,388.50/x
  3. Step 3: Cross multiply
    31,583.87x = 43,533.81 × 22,388.50
  4. Step 4: Simplify right side
    31,583.87x = 974,656,775.34
  5. Step 5: Solve for x
    x = 974,656,775.34/31,583.87
  6. Step 6: Final answer
    x = 30,859.32

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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.