Home / 35,639.49-53,443.42-18,996.42

Finding the Fourth Proportional to 35,639.49, 53,443.42 and 18,996.42

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Solution

The fourth proportional to 35,639.49, 53,443.42 and 18,996.42 is: 28,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.49 : 53,443.42 = 18,996.42 : x
  2. Step 2: Convert to fraction form
    35,639.49/53,443.42 = 18,996.42/x
  3. Step 3: Cross multiply
    35,639.49x = 53,443.42 × 18,996.42
  4. Step 4: Simplify right side
    35,639.49x = 1,015,233,652.56
  5. Step 5: Solve for x
    x = 1,015,233,652.56/35,639.49
  6. Step 6: Final answer
    x = 28,486.20

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1.5x scale

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.