Home / 30,382.39-41,927.62-16,953.50

Finding the Fourth Proportional to 30,382.39, 41,927.62 and 16,953.50

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Solution

The fourth proportional to 30,382.39, 41,927.62 and 16,953.50 is: 23,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.39 : 41,927.62 = 16,953.50 : x
  2. Step 2: Convert to fraction form
    30,382.39/41,927.62 = 16,953.50/x
  3. Step 3: Cross multiply
    30,382.39x = 41,927.62 × 16,953.50
  4. Step 4: Simplify right side
    30,382.39x = 710,819,905.67
  5. Step 5: Solve for x
    x = 710,819,905.67/30,382.39
  6. Step 6: Final answer
    x = 23,395.79

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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.