Home / 35,147.23-48,501.92-20,997.34

Finding the Fourth Proportional to 35,147.23, 48,501.92 and 20,997.34

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Solution

The fourth proportional to 35,147.23, 48,501.92 and 20,997.34 is: 28,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.23 : 48,501.92 = 20,997.34 : x
  2. Step 2: Convert to fraction form
    35,147.23/48,501.92 = 20,997.34/x
  3. Step 3: Cross multiply
    35,147.23x = 48,501.92 × 20,997.34
  4. Step 4: Simplify right side
    35,147.23x = 1,018,411,236.13
  5. Step 5: Solve for x
    x = 1,018,411,236.13/35,147.23
  6. Step 6: Final answer
    x = 28,975.58

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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.