Home / 50,890.38-76,347.09-19,734.54

Finding the Fourth Proportional to 50,890.38, 76,347.09 and 19,734.54

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Solution

The fourth proportional to 50,890.38, 76,347.09 and 19,734.54 is: 29,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.38 : 76,347.09 = 19,734.54 : x
  2. Step 2: Convert to fraction form
    50,890.38/76,347.09 = 19,734.54/x
  3. Step 3: Cross multiply
    50,890.38x = 76,347.09 × 19,734.54
  4. Step 4: Simplify right side
    50,890.38x = 1,506,674,701.49
  5. Step 5: Solve for x
    x = 1,506,674,701.49/50,890.38
  6. Step 6: Final answer
    x = 29,606.28

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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.