Home / 49,734.51-68,634.90-30,607.17

Finding the Fourth Proportional to 49,734.51, 68,634.90 and 30,607.17

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Solution

The fourth proportional to 49,734.51, 68,634.90 and 30,607.17 is: 42,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,734.51 : 68,634.90 = 30,607.17 : x
  2. Step 2: Convert to fraction form
    49,734.51/68,634.90 = 30,607.17/x
  3. Step 3: Cross multiply
    49,734.51x = 68,634.90 × 30,607.17
  4. Step 4: Simplify right side
    49,734.51x = 2,100,720,052.23
  5. Step 5: Solve for x
    x = 2,100,720,052.23/49,734.51
  6. Step 6: Final answer
    x = 42,238.68

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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.