Home / 47,638.43-71,485.32-21,343.17

Finding the Fourth Proportional to 47,638.43, 71,485.32 and 21,343.17

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Solution

The fourth proportional to 47,638.43, 71,485.32 and 21,343.17 is: 32,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.43 : 71,485.32 = 21,343.17 : x
  2. Step 2: Convert to fraction form
    47,638.43/71,485.32 = 21,343.17/x
  3. Step 3: Cross multiply
    47,638.43x = 71,485.32 × 21,343.17
  4. Step 4: Simplify right side
    47,638.43x = 1,525,722,873.12
  5. Step 5: Solve for x
    x = 1,525,722,873.12/47,638.43
  6. Step 6: Final answer
    x = 32,027.15

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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.