Home / 50,358.72-69,509.64-31,244.32

Finding the Fourth Proportional to 50,358.72, 69,509.64 and 31,244.32

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Solution

The fourth proportional to 50,358.72, 69,509.64 and 31,244.32 is: 43,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,358.72 : 69,509.64 = 31,244.32 : x
  2. Step 2: Convert to fraction form
    50,358.72/69,509.64 = 31,244.32/x
  3. Step 3: Cross multiply
    50,358.72x = 69,509.64 × 31,244.32
  4. Step 4: Simplify right side
    50,358.72x = 2,171,781,435.24
  5. Step 5: Solve for x
    x = 2,171,781,435.24/50,358.72
  6. Step 6: Final answer
    x = 43,126.22

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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.