Home / 35,619.55-49,163.13-20,520.95

Finding the Fourth Proportional to 35,619.55, 49,163.13 and 20,520.95

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Solution

The fourth proportional to 35,619.55, 49,163.13 and 20,520.95 is: 28,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.55 : 49,163.13 = 20,520.95 : x
  2. Step 2: Convert to fraction form
    35,619.55/49,163.13 = 20,520.95/x
  3. Step 3: Cross multiply
    35,619.55x = 49,163.13 × 20,520.95
  4. Step 4: Simplify right side
    35,619.55x = 1,008,873,886.76
  5. Step 5: Solve for x
    x = 1,008,873,886.76/35,619.55
  6. Step 6: Final answer
    x = 28,323.60

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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.