Home / 30,341.49-45,480.99-11,616.42

Finding the Fourth Proportional to 30,341.49, 45,480.99 and 11,616.42

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Solution

The fourth proportional to 30,341.49, 45,480.99 and 11,616.42 is: 17,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.49 : 45,480.99 = 11,616.42 : x
  2. Step 2: Convert to fraction form
    30,341.49/45,480.99 = 11,616.42/x
  3. Step 3: Cross multiply
    30,341.49x = 45,480.99 × 11,616.42
  4. Step 4: Simplify right side
    30,341.49x = 528,326,281.86
  5. Step 5: Solve for x
    x = 528,326,281.86/30,341.49
  6. Step 6: Final answer
    x = 17,412.67

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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.