Home / 30,385.20-45,664.20-26,583.60

Finding the Fourth Proportional to 30,385.20, 45,664.20 and 26,583.60

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Solution

The fourth proportional to 30,385.20, 45,664.20 and 26,583.60 is: 39,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385.20 : 45,664.20 = 26,583.60 : x
  2. Step 2: Convert to fraction form
    30,385.20/45,664.20 = 26,583.60/x
  3. Step 3: Cross multiply
    30,385.20x = 45,664.20 × 26,583.60
  4. Step 4: Simplify right side
    30,385.20x = 1,213,918,827.12
  5. Step 5: Solve for x
    x = 1,213,918,827.12/30,385.20
  6. Step 6: Final answer
    x = 39,950.99

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1.5x scale

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.