Home / 30,302.20-45,432.78-15,482.44

Finding the Fourth Proportional to 30,302.20, 45,432.78 and 15,482.44

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Solution

The fourth proportional to 30,302.20, 45,432.78 and 15,482.44 is: 23,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.20 : 45,432.78 = 15,482.44 : x
  2. Step 2: Convert to fraction form
    30,302.20/45,432.78 = 15,482.44/x
  3. Step 3: Cross multiply
    30,302.20x = 45,432.78 × 15,482.44
  4. Step 4: Simplify right side
    30,302.20x = 703,410,290.38
  5. Step 5: Solve for x
    x = 703,410,290.38/30,302.20
  6. Step 6: Final answer
    x = 23,213.18

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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.