Home / 34,845.10-48,090.36-20,698

Finding the Fourth Proportional to 34,845.10, 48,090.36 and 20,698

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Solution

The fourth proportional to 34,845.10, 48,090.36 and 20,698 is: 28,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,845.10 : 48,090.36 = 20,698 : x
  2. Step 2: Convert to fraction form
    34,845.10/48,090.36 = 20,698/x
  3. Step 3: Cross multiply
    34,845.10x = 48,090.36 × 20,698
  4. Step 4: Simplify right side
    34,845.10x = 995,374,271.28
  5. Step 5: Solve for x
    x = 995,374,271.28/34,845.10
  6. Step 6: Final answer
    x = 28,565.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.