Home / 47,100.26-70,661.33-13,818.98

Finding the Fourth Proportional to 47,100.26, 70,661.33 and 13,818.98

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Solution

The fourth proportional to 47,100.26, 70,661.33 and 13,818.98 is: 20,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.26 : 70,661.33 = 13,818.98 : x
  2. Step 2: Convert to fraction form
    47,100.26/70,661.33 = 13,818.98/x
  3. Step 3: Cross multiply
    47,100.26x = 70,661.33 × 13,818.98
  4. Step 4: Simplify right side
    47,100.26x = 976,467,506.04
  5. Step 5: Solve for x
    x = 976,467,506.04/47,100.26
  6. Step 6: Final answer
    x = 20,731.68

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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.