Home / 30,018.92-41,428.60-16,592.78

Finding the Fourth Proportional to 30,018.92, 41,428.60 and 16,592.78

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Solution

The fourth proportional to 30,018.92, 41,428.60 and 16,592.78 is: 22,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.92 : 41,428.60 = 16,592.78 : x
  2. Step 2: Convert to fraction form
    30,018.92/41,428.60 = 16,592.78/x
  3. Step 3: Cross multiply
    30,018.92x = 41,428.60 × 16,592.78
  4. Step 4: Simplify right side
    30,018.92x = 687,415,645.51
  5. Step 5: Solve for x
    x = 687,415,645.51/30,018.92
  6. Step 6: Final answer
    x = 22,899.41

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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.