Home / 30,363.12-45,545.49-8,176.48

Finding the Fourth Proportional to 30,363.12, 45,545.49 and 8,176.48

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Solution

The fourth proportional to 30,363.12, 45,545.49 and 8,176.48 is: 12,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.12 : 45,545.49 = 8,176.48 : x
  2. Step 2: Convert to fraction form
    30,363.12/45,545.49 = 8,176.48/x
  3. Step 3: Cross multiply
    30,363.12x = 45,545.49 × 8,176.48
  4. Step 4: Simplify right side
    30,363.12x = 372,401,674.21
  5. Step 5: Solve for x
    x = 372,401,674.21/30,363.12
  6. Step 6: Final answer
    x = 12,264.93

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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.