Home / 50,551.40-69,761.59-27,891.32

Finding the Fourth Proportional to 50,551.40, 69,761.59 and 27,891.32

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Solution

The fourth proportional to 50,551.40, 69,761.59 and 27,891.32 is: 38,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,551.40 : 69,761.59 = 27,891.32 : x
  2. Step 2: Convert to fraction form
    50,551.40/69,761.59 = 27,891.32/x
  3. Step 3: Cross multiply
    50,551.40x = 69,761.59 × 27,891.32
  4. Step 4: Simplify right side
    50,551.40x = 1,945,742,830.40
  5. Step 5: Solve for x
    x = 1,945,742,830.40/50,551.40
  6. Step 6: Final answer
    x = 38,490.38

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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.