Home / 47,664.32-71,470.08-21,394.24

Finding the Fourth Proportional to 47,664.32, 71,470.08 and 21,394.24

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Solution

The fourth proportional to 47,664.32, 71,470.08 and 21,394.24 is: 32,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,664.32 : 71,470.08 = 21,394.24 : x
  2. Step 2: Convert to fraction form
    47,664.32/71,470.08 = 21,394.24/x
  3. Step 3: Cross multiply
    47,664.32x = 71,470.08 × 21,394.24
  4. Step 4: Simplify right side
    47,664.32x = 1,529,048,044.34
  5. Step 5: Solve for x
    x = 1,529,048,044.34/47,664.32
  6. Step 6: Final answer
    x = 32,079.51

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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.