Home / 30,056.05-45,034.66-18,935.16

Finding the Fourth Proportional to 30,056.05, 45,034.66 and 18,935.16

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Solution

The fourth proportional to 30,056.05, 45,034.66 and 18,935.16 is: 28,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.05 : 45,034.66 = 18,935.16 : x
  2. Step 2: Convert to fraction form
    30,056.05/45,034.66 = 18,935.16/x
  3. Step 3: Cross multiply
    30,056.05x = 45,034.66 × 18,935.16
  4. Step 4: Simplify right side
    30,056.05x = 852,738,492.65
  5. Step 5: Solve for x
    x = 852,738,492.65/30,056.05
  6. Step 6: Final answer
    x = 28,371.61

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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.