Home / 30,000.14-45,000.06-28,173.20

Finding the Fourth Proportional to 30,000.14, 45,000.06 and 28,173.20

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Solution

The fourth proportional to 30,000.14, 45,000.06 and 28,173.20 is: 42,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.14 : 45,000.06 = 28,173.20 : x
  2. Step 2: Convert to fraction form
    30,000.14/45,000.06 = 28,173.20/x
  3. Step 3: Cross multiply
    30,000.14x = 45,000.06 × 28,173.20
  4. Step 4: Simplify right side
    30,000.14x = 1,267,795,690.39
  5. Step 5: Solve for x
    x = 1,267,795,690.39/30,000.14
  6. Step 6: Final answer
    x = 42,259.66

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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.