Home / 42,201.33-63,333.09-20,014.77

Finding the Fourth Proportional to 42,201.33, 63,333.09 and 20,014.77

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Solution

The fourth proportional to 42,201.33, 63,333.09 and 20,014.77 is: 30,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.33 : 63,333.09 = 20,014.77 : x
  2. Step 2: Convert to fraction form
    42,201.33/63,333.09 = 20,014.77/x
  3. Step 3: Cross multiply
    42,201.33x = 63,333.09 × 20,014.77
  4. Step 4: Simplify right side
    42,201.33x = 1,267,597,229.74
  5. Step 5: Solve for x
    x = 1,267,597,229.74/42,201.33
  6. Step 6: Final answer
    x = 30,036.90

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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.