Home / 31,654.67-43,692.08-19,710.95

Finding the Fourth Proportional to 31,654.67, 43,692.08 and 19,710.95

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Solution

The fourth proportional to 31,654.67, 43,692.08 and 19,710.95 is: 27,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.67 : 43,692.08 = 19,710.95 : x
  2. Step 2: Convert to fraction form
    31,654.67/43,692.08 = 19,710.95/x
  3. Step 3: Cross multiply
    31,654.67x = 43,692.08 × 19,710.95
  4. Step 4: Simplify right side
    31,654.67x = 861,212,087.26
  5. Step 5: Solve for x
    x = 861,212,087.26/31,654.67
  6. Step 6: Final answer
    x = 27,206.48

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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.