Home / 30,414.02-45,621.29-8,227.60

Finding the Fourth Proportional to 30,414.02, 45,621.29 and 8,227.60

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Solution

The fourth proportional to 30,414.02, 45,621.29 and 8,227.60 is: 12,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.02 : 45,621.29 = 8,227.60 : x
  2. Step 2: Convert to fraction form
    30,414.02/45,621.29 = 8,227.60/x
  3. Step 3: Cross multiply
    30,414.02x = 45,621.29 × 8,227.60
  4. Step 4: Simplify right side
    30,414.02x = 375,353,632.12
  5. Step 5: Solve for x
    x = 375,353,632.12/30,414.02
  6. Step 6: Final answer
    x = 12,341.47

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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.