Home / 34,971.03-48,256.43-20,821.14

Finding the Fourth Proportional to 34,971.03, 48,256.43 and 20,821.14

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Solution

The fourth proportional to 34,971.03, 48,256.43 and 20,821.14 is: 28,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,971.03 : 48,256.43 = 20,821.14 : x
  2. Step 2: Convert to fraction form
    34,971.03/48,256.43 = 20,821.14/x
  3. Step 3: Cross multiply
    34,971.03x = 48,256.43 × 20,821.14
  4. Step 4: Simplify right side
    34,971.03x = 1,004,753,780.82
  5. Step 5: Solve for x
    x = 1,004,753,780.82/34,971.03
  6. Step 6: Final answer
    x = 28,731.03

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1.5x scale

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.