Home / 34,788.72-52,157.16-20,934.48

Finding the Fourth Proportional to 34,788.72, 52,157.16 and 20,934.48

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Solution

The fourth proportional to 34,788.72, 52,157.16 and 20,934.48 is: 31,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.72 : 52,157.16 = 20,934.48 : x
  2. Step 2: Convert to fraction form
    34,788.72/52,157.16 = 20,934.48/x
  3. Step 3: Cross multiply
    34,788.72x = 52,157.16 × 20,934.48
  4. Step 4: Simplify right side
    34,788.72x = 1,091,883,022.88
  5. Step 5: Solve for x
    x = 1,091,883,022.88/34,788.72
  6. Step 6: Final answer
    x = 31,386.12

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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.