Home / 50,312.44-69,431.50-31,460.60

Finding the Fourth Proportional to 50,312.44, 69,431.50 and 31,460.60

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Solution

The fourth proportional to 50,312.44, 69,431.50 and 31,460.60 is: 43,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.44 : 69,431.50 = 31,460.60 : x
  2. Step 2: Convert to fraction form
    50,312.44/69,431.50 = 31,460.60/x
  3. Step 3: Cross multiply
    50,312.44x = 69,431.50 × 31,460.60
  4. Step 4: Simplify right side
    50,312.44x = 2,184,356,648.90
  5. Step 5: Solve for x
    x = 2,184,356,648.90/50,312.44
  6. Step 6: Final answer
    x = 43,415.84

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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.