Home / 59,918.40-89,935.20-30,369.60

Finding the Fourth Proportional to 59,918.40, 89,935.20 and 30,369.60

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Solution

The fourth proportional to 59,918.40, 89,935.20 and 30,369.60 is: 45,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,918.40 : 89,935.20 = 30,369.60 : x
  2. Step 2: Convert to fraction form
    59,918.40/89,935.20 = 30,369.60/x
  3. Step 3: Cross multiply
    59,918.40x = 89,935.20 × 30,369.60
  4. Step 4: Simplify right side
    59,918.40x = 2,731,296,049.92
  5. Step 5: Solve for x
    x = 2,731,296,049.92/59,918.40
  6. Step 6: Final answer
    x = 45,583.59

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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.