Home / 40,295.04-55,606.32-22,389

Finding the Fourth Proportional to 40,295.04, 55,606.32 and 22,389

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Solution

The fourth proportional to 40,295.04, 55,606.32 and 22,389 is: 30,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.04 : 55,606.32 = 22,389 : x
  2. Step 2: Convert to fraction form
    40,295.04/55,606.32 = 22,389/x
  3. Step 3: Cross multiply
    40,295.04x = 55,606.32 × 22,389
  4. Step 4: Simplify right side
    40,295.04x = 1,244,969,898.48
  5. Step 5: Solve for x
    x = 1,244,969,898.48/40,295.04
  6. Step 6: Final answer
    x = 30,896.36

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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.