Home / 32,010.39-48,015.81-20,986.83

Finding the Fourth Proportional to 32,010.39, 48,015.81 and 20,986.83

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Solution

The fourth proportional to 32,010.39, 48,015.81 and 20,986.83 is: 31,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,010.39 : 48,015.81 = 20,986.83 : x
  2. Step 2: Convert to fraction form
    32,010.39/48,015.81 = 20,986.83/x
  3. Step 3: Cross multiply
    32,010.39x = 48,015.81 × 20,986.83
  4. Step 4: Simplify right side
    32,010.39x = 1,007,699,641.78
  5. Step 5: Solve for x
    x = 1,007,699,641.78/32,010.39
  6. Step 6: Final answer
    x = 31,480.39

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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.