Home / 50,476.16-69,628.20-31,580.48

Finding the Fourth Proportional to 50,476.16, 69,628.20 and 31,580.48

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Solution

The fourth proportional to 50,476.16, 69,628.20 and 31,580.48 is: 43,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,476.16 : 69,628.20 = 31,580.48 : x
  2. Step 2: Convert to fraction form
    50,476.16/69,628.20 = 31,580.48/x
  3. Step 3: Cross multiply
    50,476.16x = 69,628.20 × 31,580.48
  4. Step 4: Simplify right side
    50,476.16x = 2,198,891,977.54
  5. Step 5: Solve for x
    x = 2,198,891,977.54/50,476.16
  6. Step 6: Final answer
    x = 43,562.98

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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.