Home / 30,621.84-42,260.58-17,193.99

Finding the Fourth Proportional to 30,621.84, 42,260.58 and 17,193.99

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Solution

The fourth proportional to 30,621.84, 42,260.58 and 17,193.99 is: 23,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.84 : 42,260.58 = 17,193.99 : x
  2. Step 2: Convert to fraction form
    30,621.84/42,260.58 = 17,193.99/x
  3. Step 3: Cross multiply
    30,621.84x = 42,260.58 × 17,193.99
  4. Step 4: Simplify right side
    30,621.84x = 726,627,989.91
  5. Step 5: Solve for x
    x = 726,627,989.91/30,621.84
  6. Step 6: Final answer
    x = 23,729.08

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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.