Home / 36,075.48-49,783.20-20,160.06

Finding the Fourth Proportional to 36,075.48, 49,783.20 and 20,160.06

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Solution

The fourth proportional to 36,075.48, 49,783.20 and 20,160.06 is: 27,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.48 : 49,783.20 = 20,160.06 : x
  2. Step 2: Convert to fraction form
    36,075.48/49,783.20 = 20,160.06/x
  3. Step 3: Cross multiply
    36,075.48x = 49,783.20 × 20,160.06
  4. Step 4: Simplify right side
    36,075.48x = 1,003,632,298.99
  5. Step 5: Solve for x
    x = 1,003,632,298.99/36,075.48
  6. Step 6: Final answer
    x = 27,820.34

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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.