Home / 30,601.82-45,906.78-13,075.68

Finding the Fourth Proportional to 30,601.82, 45,906.78 and 13,075.68

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Solution

The fourth proportional to 30,601.82, 45,906.78 and 13,075.68 is: 19,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.82 : 45,906.78 = 13,075.68 : x
  2. Step 2: Convert to fraction form
    30,601.82/45,906.78 = 13,075.68/x
  3. Step 3: Cross multiply
    30,601.82x = 45,906.78 × 13,075.68
  4. Step 4: Simplify right side
    30,601.82x = 600,262,365.11
  5. Step 5: Solve for x
    x = 600,262,365.11/30,601.82
  6. Step 6: Final answer
    x = 19,615.25

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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.