Home / 30,191.77-45,263.94-19,075.06

Finding the Fourth Proportional to 30,191.77, 45,263.94 and 19,075.06

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Solution

The fourth proportional to 30,191.77, 45,263.94 and 19,075.06 is: 28,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.77 : 45,263.94 = 19,075.06 : x
  2. Step 2: Convert to fraction form
    30,191.77/45,263.94 = 19,075.06/x
  3. Step 3: Cross multiply
    30,191.77x = 45,263.94 × 19,075.06
  4. Step 4: Simplify right side
    30,191.77x = 863,412,371.34
  5. Step 5: Solve for x
    x = 863,412,371.34/30,191.77
  6. Step 6: Final answer
    x = 28,597.61

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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.