Home / 35,090.08-48,401.68-20,932

Finding the Fourth Proportional to 35,090.08, 48,401.68 and 20,932

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Solution

The fourth proportional to 35,090.08, 48,401.68 and 20,932 is: 28,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,090.08 : 48,401.68 = 20,932 : x
  2. Step 2: Convert to fraction form
    35,090.08/48,401.68 = 20,932/x
  3. Step 3: Cross multiply
    35,090.08x = 48,401.68 × 20,932
  4. Step 4: Simplify right side
    35,090.08x = 1,013,143,965.76
  5. Step 5: Solve for x
    x = 1,013,143,965.76/35,090.08
  6. Step 6: Final answer
    x = 28,872.66

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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.