Home / 32,756.80-49,135.20-9,385.60

Finding the Fourth Proportional to 32,756.80, 49,135.20 and 9,385.60

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Solution

The fourth proportional to 32,756.80, 49,135.20 and 9,385.60 is: 14,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,756.80 : 49,135.20 = 9,385.60 : x
  2. Step 2: Convert to fraction form
    32,756.80/49,135.20 = 9,385.60/x
  3. Step 3: Cross multiply
    32,756.80x = 49,135.20 × 9,385.60
  4. Step 4: Simplify right side
    32,756.80x = 461,163,333.12
  5. Step 5: Solve for x
    x = 461,163,333.12/32,756.80
  6. Step 6: Final answer
    x = 14,078.40

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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.