Home / 42,201.73-63,284.13-20,021.43

Finding the Fourth Proportional to 42,201.73, 63,284.13 and 20,021.43

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Solution

The fourth proportional to 42,201.73, 63,284.13 and 20,021.43 is: 30,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.73 : 63,284.13 = 20,021.43 : x
  2. Step 2: Convert to fraction form
    42,201.73/63,284.13 = 20,021.43/x
  3. Step 3: Cross multiply
    42,201.73x = 63,284.13 × 20,021.43
  4. Step 4: Simplify right side
    42,201.73x = 1,267,038,778.91
  5. Step 5: Solve for x
    x = 1,267,038,778.91/42,201.73
  6. Step 6: Final answer
    x = 30,023.38

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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.