Home / 20,075.13-30,049.56-13,798.44

Finding the Fourth Proportional to 20,075.13, 30,049.56 and 13,798.44

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Solution

The fourth proportional to 20,075.13, 30,049.56 and 13,798.44 is: 20,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.13 : 30,049.56 = 13,798.44 : x
  2. Step 2: Convert to fraction form
    20,075.13/30,049.56 = 13,798.44/x
  3. Step 3: Cross multiply
    20,075.13x = 30,049.56 × 13,798.44
  4. Step 4: Simplify right side
    20,075.13x = 414,637,050.69
  5. Step 5: Solve for x
    x = 414,637,050.69/20,075.13
  6. Step 6: Final answer
    x = 20,654.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.