Home / 30,050.95-41,504.35-20,474.22

Finding the Fourth Proportional to 30,050.95, 41,504.35 and 20,474.22

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Solution

The fourth proportional to 30,050.95, 41,504.35 and 20,474.22 is: 28,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.95 : 41,504.35 = 20,474.22 : x
  2. Step 2: Convert to fraction form
    30,050.95/41,504.35 = 20,474.22/x
  3. Step 3: Cross multiply
    30,050.95x = 41,504.35 × 20,474.22
  4. Step 4: Simplify right side
    30,050.95x = 849,769,192.86
  5. Step 5: Solve for x
    x = 849,769,192.86/30,050.95
  6. Step 6: Final answer
    x = 28,277.61

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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.