Home / 30,596.67-42,232.32-19,987.83

Finding the Fourth Proportional to 30,596.67, 42,232.32 and 19,987.83

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Solution

The fourth proportional to 30,596.67, 42,232.32 and 19,987.83 is: 27,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,596.67 : 42,232.32 = 19,987.83 : x
  2. Step 2: Convert to fraction form
    30,596.67/42,232.32 = 19,987.83/x
  3. Step 3: Cross multiply
    30,596.67x = 42,232.32 × 19,987.83
  4. Step 4: Simplify right side
    30,596.67x = 844,132,432.67
  5. Step 5: Solve for x
    x = 844,132,432.67/30,596.67
  6. Step 6: Final answer
    x = 27,589.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.