Home / 34,845.21-48,075.80-19,735.47

Finding the Fourth Proportional to 34,845.21, 48,075.80 and 19,735.47

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Solution

The fourth proportional to 34,845.21, 48,075.80 and 19,735.47 is: 27,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,845.21 : 48,075.80 = 19,735.47 : x
  2. Step 2: Convert to fraction form
    34,845.21/48,075.80 = 19,735.47/x
  3. Step 3: Cross multiply
    34,845.21x = 48,075.80 × 19,735.47
  4. Step 4: Simplify right side
    34,845.21x = 948,798,409.95
  5. Step 5: Solve for x
    x = 948,798,409.95/34,845.21
  6. Step 6: Final answer
    x = 27,228.95

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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.