Home / 38,651.54-53,340.45-22,517.78

Finding the Fourth Proportional to 38,651.54, 53,340.45 and 22,517.78

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Solution

The fourth proportional to 38,651.54, 53,340.45 and 22,517.78 is: 31,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.54 : 53,340.45 = 22,517.78 : x
  2. Step 2: Convert to fraction form
    38,651.54/53,340.45 = 22,517.78/x
  3. Step 3: Cross multiply
    38,651.54x = 53,340.45 × 22,517.78
  4. Step 4: Simplify right side
    38,651.54x = 1,201,108,518.20
  5. Step 5: Solve for x
    x = 1,201,108,518.20/38,651.54
  6. Step 6: Final answer
    x = 31,075.31

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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.