Home / 35,504.73-48,998.12-20,402.28

Finding the Fourth Proportional to 35,504.73, 48,998.12 and 20,402.28

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Solution

The fourth proportional to 35,504.73, 48,998.12 and 20,402.28 is: 28,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,504.73 : 48,998.12 = 20,402.28 : x
  2. Step 2: Convert to fraction form
    35,504.73/48,998.12 = 20,402.28/x
  3. Step 3: Cross multiply
    35,504.73x = 48,998.12 × 20,402.28
  4. Step 4: Simplify right side
    35,504.73x = 999,673,261.70
  5. Step 5: Solve for x
    x = 999,673,261.70/35,504.73
  6. Step 6: Final answer
    x = 28,156.06

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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.