Home / 39,826.80-59,761.80-16,455.60

Finding the Fourth Proportional to 39,826.80, 59,761.80 and 16,455.60

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Solution

The fourth proportional to 39,826.80, 59,761.80 and 16,455.60 is: 24,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.80 : 59,761.80 = 16,455.60 : x
  2. Step 2: Convert to fraction form
    39,826.80/59,761.80 = 16,455.60/x
  3. Step 3: Cross multiply
    39,826.80x = 59,761.80 × 16,455.60
  4. Step 4: Simplify right side
    39,826.80x = 983,416,276.08
  5. Step 5: Solve for x
    x = 983,416,276.08/39,826.80
  6. Step 6: Final answer
    x = 24,692.32

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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.