Home / 30,439.92-45,659.79-10,716.24

Finding the Fourth Proportional to 30,439.92, 45,659.79 and 10,716.24

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Solution

The fourth proportional to 30,439.92, 45,659.79 and 10,716.24 is: 16,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.92 : 45,659.79 = 10,716.24 : x
  2. Step 2: Convert to fraction form
    30,439.92/45,659.79 = 10,716.24/x
  3. Step 3: Cross multiply
    30,439.92x = 45,659.79 × 10,716.24
  4. Step 4: Simplify right side
    30,439.92x = 489,301,267.99
  5. Step 5: Solve for x
    x = 489,301,267.99/30,439.92
  6. Step 6: Final answer
    x = 16,074.33

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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.