Home / 35,558.94-49,071.27-19,643.34

Finding the Fourth Proportional to 35,558.94, 49,071.27 and 19,643.34

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Solution

The fourth proportional to 35,558.94, 49,071.27 and 19,643.34 is: 27,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,558.94 : 49,071.27 = 19,643.34 : x
  2. Step 2: Convert to fraction form
    35,558.94/49,071.27 = 19,643.34/x
  3. Step 3: Cross multiply
    35,558.94x = 49,071.27 × 19,643.34
  4. Step 4: Simplify right side
    35,558.94x = 963,923,640.84
  5. Step 5: Solve for x
    x = 963,923,640.84/35,558.94
  6. Step 6: Final answer
    x = 27,107.77

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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.