Home / 30,562.98-42,177.60-17,133.54

Finding the Fourth Proportional to 30,562.98, 42,177.60 and 17,133.54

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Solution

The fourth proportional to 30,562.98, 42,177.60 and 17,133.54 is: 23,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.98 : 42,177.60 = 17,133.54 : x
  2. Step 2: Convert to fraction form
    30,562.98/42,177.60 = 17,133.54/x
  3. Step 3: Cross multiply
    30,562.98x = 42,177.60 × 17,133.54
  4. Step 4: Simplify right side
    30,562.98x = 722,651,596.70
  5. Step 5: Solve for x
    x = 722,651,596.70/30,562.98
  6. Step 6: Final answer
    x = 23,644.67

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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.