Home / 30,692.14-42,358.77-17,263.90

Finding the Fourth Proportional to 30,692.14, 42,358.77 and 17,263.90

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Solution

The fourth proportional to 30,692.14, 42,358.77 and 17,263.90 is: 23,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.14 : 42,358.77 = 17,263.90 : x
  2. Step 2: Convert to fraction form
    30,692.14/42,358.77 = 17,263.90/x
  3. Step 3: Cross multiply
    30,692.14x = 42,358.77 × 17,263.90
  4. Step 4: Simplify right side
    30,692.14x = 731,277,569.40
  5. Step 5: Solve for x
    x = 731,277,569.40/30,692.14
  6. Step 6: Final answer
    x = 23,826.22

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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.