Home / 35,954.08-49,619.64-20,036.40

Finding the Fourth Proportional to 35,954.08, 49,619.64 and 20,036.40

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Solution

The fourth proportional to 35,954.08, 49,619.64 and 20,036.40 is: 27,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,954.08 : 49,619.64 = 20,036.40 : x
  2. Step 2: Convert to fraction form
    35,954.08/49,619.64 = 20,036.40/x
  3. Step 3: Cross multiply
    35,954.08x = 49,619.64 × 20,036.40
  4. Step 4: Simplify right side
    35,954.08x = 994,198,954.90
  5. Step 5: Solve for x
    x = 994,198,954.90/35,954.08
  6. Step 6: Final answer
    x = 27,651.91

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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.