Home / 39,446.37-54,440.65-22,219.30

Finding the Fourth Proportional to 39,446.37, 54,440.65 and 22,219.30

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Solution

The fourth proportional to 39,446.37, 54,440.65 and 22,219.30 is: 30,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.37 : 54,440.65 = 22,219.30 : x
  2. Step 2: Convert to fraction form
    39,446.37/54,440.65 = 22,219.30/x
  3. Step 3: Cross multiply
    39,446.37x = 54,440.65 × 22,219.30
  4. Step 4: Simplify right side
    39,446.37x = 1,209,633,230.37
  5. Step 5: Solve for x
    x = 1,209,633,230.37/39,446.37
  6. Step 6: Final answer
    x = 30,665.26

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1.5x scale

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.