Home / 30,258.92-41,733.69-20,704.50

Finding the Fourth Proportional to 30,258.92, 41,733.69 and 20,704.50

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Solution

The fourth proportional to 30,258.92, 41,733.69 and 20,704.50 is: 28,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.92 : 41,733.69 = 20,704.50 : x
  2. Step 2: Convert to fraction form
    30,258.92/41,733.69 = 20,704.50/x
  3. Step 3: Cross multiply
    30,258.92x = 41,733.69 × 20,704.50
  4. Step 4: Simplify right side
    30,258.92x = 864,075,184.61
  5. Step 5: Solve for x
    x = 864,075,184.61/30,258.92
  6. Step 6: Final answer
    x = 28,556.05

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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.