Home / 42,120.66-63,135.60-22,379.34

Finding the Fourth Proportional to 42,120.66, 63,135.60 and 22,379.34

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Solution

The fourth proportional to 42,120.66, 63,135.60 and 22,379.34 is: 33,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.66 : 63,135.60 = 22,379.34 : x
  2. Step 2: Convert to fraction form
    42,120.66/63,135.60 = 22,379.34/x
  3. Step 3: Cross multiply
    42,120.66x = 63,135.60 × 22,379.34
  4. Step 4: Simplify right side
    42,120.66x = 1,412,933,058.50
  5. Step 5: Solve for x
    x = 1,412,933,058.50/42,120.66
  6. Step 6: Final answer
    x = 33,544.89

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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.