Home / 47,653.96-71,447.26-20,987.24

Finding the Fourth Proportional to 47,653.96, 71,447.26 and 20,987.24

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Solution

The fourth proportional to 47,653.96, 71,447.26 and 20,987.24 is: 31,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,653.96 : 71,447.26 = 20,987.24 : x
  2. Step 2: Convert to fraction form
    47,653.96/71,447.26 = 20,987.24/x
  3. Step 3: Cross multiply
    47,653.96x = 71,447.26 × 20,987.24
  4. Step 4: Simplify right side
    47,653.96x = 1,499,480,792.96
  5. Step 5: Solve for x
    x = 1,499,480,792.96/47,653.96
  6. Step 6: Final answer
    x = 31,466.03

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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.