Home / 38,893.06-58,370.73-20,178.46

Finding the Fourth Proportional to 38,893.06, 58,370.73 and 20,178.46

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Solution

The fourth proportional to 38,893.06, 58,370.73 and 20,178.46 is: 30,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.06 : 58,370.73 = 20,178.46 : x
  2. Step 2: Convert to fraction form
    38,893.06/58,370.73 = 20,178.46/x
  3. Step 3: Cross multiply
    38,893.06x = 58,370.73 × 20,178.46
  4. Step 4: Simplify right side
    38,893.06x = 1,177,831,440.48
  5. Step 5: Solve for x
    x = 1,177,831,440.48/38,893.06
  6. Step 6: Final answer
    x = 30,283.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.