Home / 39,247.87-58,804.10-21,491.31

Finding the Fourth Proportional to 39,247.87, 58,804.10 and 21,491.31

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Solution

The fourth proportional to 39,247.87, 58,804.10 and 21,491.31 is: 32,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.87 : 58,804.10 = 21,491.31 : x
  2. Step 2: Convert to fraction form
    39,247.87/58,804.10 = 21,491.31/x
  3. Step 3: Cross multiply
    39,247.87x = 58,804.10 × 21,491.31
  4. Step 4: Simplify right side
    39,247.87x = 1,263,777,313.77
  5. Step 5: Solve for x
    x = 1,263,777,313.77/39,247.87
  6. Step 6: Final answer
    x = 32,199.90

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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.