Home / 39,923.28-59,893.56-19,943.64

Finding the Fourth Proportional to 39,923.28, 59,893.56 and 19,943.64

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Solution

The fourth proportional to 39,923.28, 59,893.56 and 19,943.64 is: 29,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.28 : 59,893.56 = 19,943.64 : x
  2. Step 2: Convert to fraction form
    39,923.28/59,893.56 = 19,943.64/x
  3. Step 3: Cross multiply
    39,923.28x = 59,893.56 × 19,943.64
  4. Step 4: Simplify right side
    39,923.28x = 1,194,495,598.96
  5. Step 5: Solve for x
    x = 1,194,495,598.96/39,923.28
  6. Step 6: Final answer
    x = 29,919.78

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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.