Home / 39,124.57-58,669.44-12,465.66

Finding the Fourth Proportional to 39,124.57, 58,669.44 and 12,465.66

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Solution

The fourth proportional to 39,124.57, 58,669.44 and 12,465.66 is: 18,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.57 : 58,669.44 = 12,465.66 : x
  2. Step 2: Convert to fraction form
    39,124.57/58,669.44 = 12,465.66/x
  3. Step 3: Cross multiply
    39,124.57x = 58,669.44 × 12,465.66
  4. Step 4: Simplify right side
    39,124.57x = 731,353,291.43
  5. Step 5: Solve for x
    x = 731,353,291.43/39,124.57
  6. Step 6: Final answer
    x = 18,692.94

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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.