Home / 30,122.05-41,568.38-16,510.08

Finding the Fourth Proportional to 30,122.05, 41,568.38 and 16,510.08

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Solution

The fourth proportional to 30,122.05, 41,568.38 and 16,510.08 is: 22,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.05 : 41,568.38 = 16,510.08 : x
  2. Step 2: Convert to fraction form
    30,122.05/41,568.38 = 16,510.08/x
  3. Step 3: Cross multiply
    30,122.05x = 41,568.38 × 16,510.08
  4. Step 4: Simplify right side
    30,122.05x = 686,297,420.52
  5. Step 5: Solve for x
    x = 686,297,420.52/30,122.05
  6. Step 6: Final answer
    x = 22,783.89

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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.