Home / 30,583.87-42,188.64-19,249.15

Finding the Fourth Proportional to 30,583.87, 42,188.64 and 19,249.15

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Solution

The fourth proportional to 30,583.87, 42,188.64 and 19,249.15 is: 26,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.87 : 42,188.64 = 19,249.15 : x
  2. Step 2: Convert to fraction form
    30,583.87/42,188.64 = 19,249.15/x
  3. Step 3: Cross multiply
    30,583.87x = 42,188.64 × 19,249.15
  4. Step 4: Simplify right side
    30,583.87x = 812,095,459.66
  5. Step 5: Solve for x
    x = 812,095,459.66/30,583.87
  6. Step 6: Final answer
    x = 26,553.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.