Home / 38,089.51-57,112.39-20,298.27

Finding the Fourth Proportional to 38,089.51, 57,112.39 and 20,298.27

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Solution

The fourth proportional to 38,089.51, 57,112.39 and 20,298.27 is: 30,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.51 : 57,112.39 = 20,298.27 : x
  2. Step 2: Convert to fraction form
    38,089.51/57,112.39 = 20,298.27/x
  3. Step 3: Cross multiply
    38,089.51x = 57,112.39 × 20,298.27
  4. Step 4: Simplify right side
    38,089.51x = 1,159,282,523.77
  5. Step 5: Solve for x
    x = 1,159,282,523.77/38,089.51
  6. Step 6: Final answer
    x = 30,435.74

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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.