Home / 50,331.34-69,437.58-28,809.58

Finding the Fourth Proportional to 50,331.34, 69,437.58 and 28,809.58

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Solution

The fourth proportional to 50,331.34, 69,437.58 and 28,809.58 is: 39,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.34 : 69,437.58 = 28,809.58 : x
  2. Step 2: Convert to fraction form
    50,331.34/69,437.58 = 28,809.58/x
  3. Step 3: Cross multiply
    50,331.34x = 69,437.58 × 28,809.58
  4. Step 4: Simplify right side
    50,331.34x = 2,000,467,516.02
  5. Step 5: Solve for x
    x = 2,000,467,516.02/50,331.34
  6. Step 6: Final answer
    x = 39,745.96

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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.