Home / 50,317.44-69,438.40-31,465.60

Finding the Fourth Proportional to 50,317.44, 69,438.40 and 31,465.60

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Solution

The fourth proportional to 50,317.44, 69,438.40 and 31,465.60 is: 43,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,317.44 : 69,438.40 = 31,465.60 : x
  2. Step 2: Convert to fraction form
    50,317.44/69,438.40 = 31,465.60/x
  3. Step 3: Cross multiply
    50,317.44x = 69,438.40 × 31,465.60
  4. Step 4: Simplify right side
    50,317.44x = 2,184,920,919.04
  5. Step 5: Solve for x
    x = 2,184,920,919.04/50,317.44
  6. Step 6: Final answer
    x = 43,422.74

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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.