Home / 43,936.02-65,911.05-18,983.63

Finding the Fourth Proportional to 43,936.02, 65,911.05 and 18,983.63

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Solution

The fourth proportional to 43,936.02, 65,911.05 and 18,983.63 is: 28,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,936.02 : 65,911.05 = 18,983.63 : x
  2. Step 2: Convert to fraction form
    43,936.02/65,911.05 = 18,983.63/x
  3. Step 3: Cross multiply
    43,936.02x = 65,911.05 × 18,983.63
  4. Step 4: Simplify right side
    43,936.02x = 1,251,231,150.89
  5. Step 5: Solve for x
    x = 1,251,231,150.89/43,936.02
  6. Step 6: Final answer
    x = 28,478.48

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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.