Home / 30,751.15-42,433.44-17,320.27

Finding the Fourth Proportional to 30,751.15, 42,433.44 and 17,320.27

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Solution

The fourth proportional to 30,751.15, 42,433.44 and 17,320.27 is: 23,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.15 : 42,433.44 = 17,320.27 : x
  2. Step 2: Convert to fraction form
    30,751.15/42,433.44 = 17,320.27/x
  3. Step 3: Cross multiply
    30,751.15x = 42,433.44 × 17,320.27
  4. Step 4: Simplify right side
    30,751.15x = 734,958,637.83
  5. Step 5: Solve for x
    x = 734,958,637.83/30,751.15
  6. Step 6: Final answer
    x = 23,900.20

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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.