Home / 47,102.26-70,664.33-13,820.98

Finding the Fourth Proportional to 47,102.26, 70,664.33 and 13,820.98

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Solution

The fourth proportional to 47,102.26, 70,664.33 and 13,820.98 is: 20,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.26 : 70,664.33 = 13,820.98 : x
  2. Step 2: Convert to fraction form
    47,102.26/70,664.33 = 13,820.98/x
  3. Step 3: Cross multiply
    47,102.26x = 70,664.33 × 13,820.98
  4. Step 4: Simplify right side
    47,102.26x = 976,650,291.64
  5. Step 5: Solve for x
    x = 976,650,291.64/47,102.26
  6. Step 6: Final answer
    x = 20,734.68

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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.