Home / 33,118.74-45,692.24-18,776.48

Finding the Fourth Proportional to 33,118.74, 45,692.24 and 18,776.48

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Solution

The fourth proportional to 33,118.74, 45,692.24 and 18,776.48 is: 25,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.74 : 45,692.24 = 18,776.48 : x
  2. Step 2: Convert to fraction form
    33,118.74/45,692.24 = 18,776.48/x
  3. Step 3: Cross multiply
    33,118.74x = 45,692.24 × 18,776.48
  4. Step 4: Simplify right side
    33,118.74x = 857,939,108.17
  5. Step 5: Solve for x
    x = 857,939,108.17/33,118.74
  6. Step 6: Final answer
    x = 25,904.94

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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.