Home / 35,619.76-49,158.93-20,512.99

Finding the Fourth Proportional to 35,619.76, 49,158.93 and 20,512.99

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Solution

The fourth proportional to 35,619.76, 49,158.93 and 20,512.99 is: 28,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.76 : 49,158.93 = 20,512.99 : x
  2. Step 2: Convert to fraction form
    35,619.76/49,158.93 = 20,512.99/x
  3. Step 3: Cross multiply
    35,619.76x = 49,158.93 × 20,512.99
  4. Step 4: Simplify right side
    35,619.76x = 1,008,396,639.50
  5. Step 5: Solve for x
    x = 1,008,396,639.50/35,619.76
  6. Step 6: Final answer
    x = 28,310.03

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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.