Home / 61,692.12-85,135.32-33,397.92

Finding the Fourth Proportional to 61,692.12, 85,135.32 and 33,397.92

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Solution

The fourth proportional to 61,692.12, 85,135.32 and 33,397.92 is: 46,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.12 : 85,135.32 = 33,397.92 : x
  2. Step 2: Convert to fraction form
    61,692.12/85,135.32 = 33,397.92/x
  3. Step 3: Cross multiply
    61,692.12x = 85,135.32 × 33,397.92
  4. Step 4: Simplify right side
    61,692.12x = 2,843,342,606.53
  5. Step 5: Solve for x
    x = 2,843,342,606.53/61,692.12
  6. Step 6: Final answer
    x = 46,089.23

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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.