Home / 30,375.89-45,563.56-9,599.39

Finding the Fourth Proportional to 30,375.89, 45,563.56 and 9,599.39

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Solution

The fourth proportional to 30,375.89, 45,563.56 and 9,599.39 is: 14,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.89 : 45,563.56 = 9,599.39 : x
  2. Step 2: Convert to fraction form
    30,375.89/45,563.56 = 9,599.39/x
  3. Step 3: Cross multiply
    30,375.89x = 45,563.56 × 9,599.39
  4. Step 4: Simplify right side
    30,375.89x = 437,382,130.41
  5. Step 5: Solve for x
    x = 437,382,130.41/30,375.89
  6. Step 6: Final answer
    x = 14,398.99

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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.