Home / 38,465.40-57,692.10-12,176.60

Finding the Fourth Proportional to 38,465.40, 57,692.10 and 12,176.60

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Solution

The fourth proportional to 38,465.40, 57,692.10 and 12,176.60 is: 18,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.40 : 57,692.10 = 12,176.60 : x
  2. Step 2: Convert to fraction form
    38,465.40/57,692.10 = 12,176.60/x
  3. Step 3: Cross multiply
    38,465.40x = 57,692.10 × 12,176.60
  4. Step 4: Simplify right side
    38,465.40x = 702,493,624.86
  5. Step 5: Solve for x
    x = 702,493,624.86/38,465.40
  6. Step 6: Final answer
    x = 18,263.00

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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.