Home / 35,611.70-49,150.19-20,513.12

Finding the Fourth Proportional to 35,611.70, 49,150.19 and 20,513.12

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Solution

The fourth proportional to 35,611.70, 49,150.19 and 20,513.12 is: 28,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.70 : 49,150.19 = 20,513.12 : x
  2. Step 2: Convert to fraction form
    35,611.70/49,150.19 = 20,513.12/x
  3. Step 3: Cross multiply
    35,611.70x = 49,150.19 × 20,513.12
  4. Step 4: Simplify right side
    35,611.70x = 1,008,223,551.02
  5. Step 5: Solve for x
    x = 1,008,223,551.02/35,611.70
  6. Step 6: Final answer
    x = 28,311.58

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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.