Home / 33,835.72-46,692.28-18,729

Finding the Fourth Proportional to 33,835.72, 46,692.28 and 18,729

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Solution

The fourth proportional to 33,835.72, 46,692.28 and 18,729 is: 25,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,835.72 : 46,692.28 = 18,729 : x
  2. Step 2: Convert to fraction form
    33,835.72/46,692.28 = 18,729/x
  3. Step 3: Cross multiply
    33,835.72x = 46,692.28 × 18,729
  4. Step 4: Simplify right side
    33,835.72x = 874,499,712.12
  5. Step 5: Solve for x
    x = 874,499,712.12/33,835.72
  6. Step 6: Final answer
    x = 25,845.46

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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.