Home / 53,936.05-74,438.93-30,974.98

Finding the Fourth Proportional to 53,936.05, 74,438.93 and 30,974.98

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Solution

The fourth proportional to 53,936.05, 74,438.93 and 30,974.98 is: 42,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,936.05 : 74,438.93 = 30,974.98 : x
  2. Step 2: Convert to fraction form
    53,936.05/74,438.93 = 30,974.98/x
  3. Step 3: Cross multiply
    53,936.05x = 74,438.93 × 30,974.98
  4. Step 4: Simplify right side
    53,936.05x = 2,305,744,367.97
  5. Step 5: Solve for x
    x = 2,305,744,367.97/53,936.05
  6. Step 6: Final answer
    x = 42,749.60

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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.