Home / 39,015.90-58,544.10-18,239.40

Finding the Fourth Proportional to 39,015.90, 58,544.10 and 18,239.40

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Solution

The fourth proportional to 39,015.90, 58,544.10 and 18,239.40 is: 27,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.90 : 58,544.10 = 18,239.40 : x
  2. Step 2: Convert to fraction form
    39,015.90/58,544.10 = 18,239.40/x
  3. Step 3: Cross multiply
    39,015.90x = 58,544.10 × 18,239.40
  4. Step 4: Simplify right side
    39,015.90x = 1,067,809,257.54
  5. Step 5: Solve for x
    x = 1,067,809,257.54/39,015.90
  6. Step 6: Final answer
    x = 27,368.57

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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.