Home / 30,363.39-45,548.19-8,176.95

Finding the Fourth Proportional to 30,363.39, 45,548.19 and 8,176.95

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Solution

The fourth proportional to 30,363.39, 45,548.19 and 8,176.95 is: 12,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.39 : 45,548.19 = 8,176.95 : x
  2. Step 2: Convert to fraction form
    30,363.39/45,548.19 = 8,176.95/x
  3. Step 3: Cross multiply
    30,363.39x = 45,548.19 × 8,176.95
  4. Step 4: Simplify right side
    30,363.39x = 372,445,272.22
  5. Step 5: Solve for x
    x = 372,445,272.22/30,363.39
  6. Step 6: Final answer
    x = 12,266.26

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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.