Home / 30,119.64-41,560.05-20,063.08

Finding the Fourth Proportional to 30,119.64, 41,560.05 and 20,063.08

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Solution

The fourth proportional to 30,119.64, 41,560.05 and 20,063.08 is: 27,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.64 : 41,560.05 = 20,063.08 : x
  2. Step 2: Convert to fraction form
    30,119.64/41,560.05 = 20,063.08/x
  3. Step 3: Cross multiply
    30,119.64x = 41,560.05 × 20,063.08
  4. Step 4: Simplify right side
    30,119.64x = 833,822,607.95
  5. Step 5: Solve for x
    x = 833,822,607.95/30,119.64
  6. Step 6: Final answer
    x = 27,683.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.