Home / 34,884.72-48,142.08-20,751.84

Finding the Fourth Proportional to 34,884.72, 48,142.08 and 20,751.84

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Solution

The fourth proportional to 34,884.72, 48,142.08 and 20,751.84 is: 28,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,884.72 : 48,142.08 = 20,751.84 : x
  2. Step 2: Convert to fraction form
    34,884.72/48,142.08 = 20,751.84/x
  3. Step 3: Cross multiply
    34,884.72x = 48,142.08 × 20,751.84
  4. Step 4: Simplify right side
    34,884.72x = 999,036,741.43
  5. Step 5: Solve for x
    x = 999,036,741.43/34,884.72
  6. Step 6: Final answer
    x = 28,638.23

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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.