Home / 47,327.36-71,008.32-21,012.80

Finding the Fourth Proportional to 47,327.36, 71,008.32 and 21,012.80

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Solution

The fourth proportional to 47,327.36, 71,008.32 and 21,012.80 is: 31,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.36 : 71,008.32 = 21,012.80 : x
  2. Step 2: Convert to fraction form
    47,327.36/71,008.32 = 21,012.80/x
  3. Step 3: Cross multiply
    47,327.36x = 71,008.32 × 21,012.80
  4. Step 4: Simplify right side
    47,327.36x = 1,492,083,626.50
  5. Step 5: Solve for x
    x = 1,492,083,626.50/47,327.36
  6. Step 6: Final answer
    x = 31,526.87

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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.