Home / 38,075.30-52,542.09-20,847.32

Finding the Fourth Proportional to 38,075.30, 52,542.09 and 20,847.32

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Solution

The fourth proportional to 38,075.30, 52,542.09 and 20,847.32 is: 28,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.30 : 52,542.09 = 20,847.32 : x
  2. Step 2: Convert to fraction form
    38,075.30/52,542.09 = 20,847.32/x
  3. Step 3: Cross multiply
    38,075.30x = 52,542.09 × 20,847.32
  4. Step 4: Simplify right side
    38,075.30x = 1,095,361,500.99
  5. Step 5: Solve for x
    x = 1,095,361,500.99/38,075.30
  6. Step 6: Final answer
    x = 28,768.30

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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.