Home / 35,241.12-48,632.08-20,136.16

Finding the Fourth Proportional to 35,241.12, 48,632.08 and 20,136.16

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Solution

The fourth proportional to 35,241.12, 48,632.08 and 20,136.16 is: 27,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,241.12 : 48,632.08 = 20,136.16 : x
  2. Step 2: Convert to fraction form
    35,241.12/48,632.08 = 20,136.16/x
  3. Step 3: Cross multiply
    35,241.12x = 48,632.08 × 20,136.16
  4. Step 4: Simplify right side
    35,241.12x = 979,263,344.01
  5. Step 5: Solve for x
    x = 979,263,344.01/35,241.12
  6. Step 6: Final answer
    x = 27,787.52

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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.