Home / 30,623.84-42,263.34-17,195.99

Finding the Fourth Proportional to 30,623.84, 42,263.34 and 17,195.99

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Solution

The fourth proportional to 30,623.84, 42,263.34 and 17,195.99 is: 23,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.84 : 42,263.34 = 17,195.99 : x
  2. Step 2: Convert to fraction form
    30,623.84/42,263.34 = 17,195.99/x
  3. Step 3: Cross multiply
    30,623.84x = 42,263.34 × 17,195.99
  4. Step 4: Simplify right side
    30,623.84x = 726,759,972.01
  5. Step 5: Solve for x
    x = 726,759,972.01/30,623.84
  6. Step 6: Final answer
    x = 23,731.84

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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.