Home / 20,050.30-30,075.11-6,902.38

Finding the Fourth Proportional to 20,050.30, 30,075.11 and 6,902.38

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Solution

The fourth proportional to 20,050.30, 30,075.11 and 6,902.38 is: 10,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.30 : 30,075.11 = 6,902.38 : x
  2. Step 2: Convert to fraction form
    20,050.30/30,075.11 = 6,902.38/x
  3. Step 3: Cross multiply
    20,050.30x = 30,075.11 × 6,902.38
  4. Step 4: Simplify right side
    20,050.30x = 207,589,803.25
  5. Step 5: Solve for x
    x = 207,589,803.25/20,050.30
  6. Step 6: Final answer
    x = 10,353.45

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Half scale
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Double scale
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Similar ratio
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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.