Home / 39,128.40-58,692.60-36,363.60

Finding the Fourth Proportional to 39,128.40, 58,692.60 and 36,363.60

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Solution

The fourth proportional to 39,128.40, 58,692.60 and 36,363.60 is: 54,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.40 : 58,692.60 = 36,363.60 : x
  2. Step 2: Convert to fraction form
    39,128.40/58,692.60 = 36,363.60/x
  3. Step 3: Cross multiply
    39,128.40x = 58,692.60 × 36,363.60
  4. Step 4: Simplify right side
    39,128.40x = 2,134,274,229.36
  5. Step 5: Solve for x
    x = 2,134,274,229.36/39,128.40
  6. Step 6: Final answer
    x = 54,545.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.