Home / 30,653.04-45,979.38-17,319.99

Finding the Fourth Proportional to 30,653.04, 45,979.38 and 17,319.99

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Solution

The fourth proportional to 30,653.04, 45,979.38 and 17,319.99 is: 25,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.04 : 45,979.38 = 17,319.99 : x
  2. Step 2: Convert to fraction form
    30,653.04/45,979.38 = 17,319.99/x
  3. Step 3: Cross multiply
    30,653.04x = 45,979.38 × 17,319.99
  4. Step 4: Simplify right side
    30,653.04x = 796,362,401.81
  5. Step 5: Solve for x
    x = 796,362,401.81/30,653.04
  6. Step 6: Final answer
    x = 25,979.88

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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.