Home / 36,075.62-49,783.40-20,160.20

Finding the Fourth Proportional to 36,075.62, 49,783.40 and 20,160.20

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Solution

The fourth proportional to 36,075.62, 49,783.40 and 20,160.20 is: 27,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.62 : 49,783.40 = 20,160.20 : x
  2. Step 2: Convert to fraction form
    36,075.62/49,783.40 = 20,160.20/x
  3. Step 3: Cross multiply
    36,075.62x = 49,783.40 × 20,160.20
  4. Step 4: Simplify right side
    36,075.62x = 1,003,643,300.68
  5. Step 5: Solve for x
    x = 1,003,643,300.68/36,075.62
  6. Step 6: Final answer
    x = 27,820.54

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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.