Home / 30,933.25-42,688.00-16,786.09

Finding the Fourth Proportional to 30,933.25, 42,688.00 and 16,786.09

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Solution

The fourth proportional to 30,933.25, 42,688.00 and 16,786.09 is: 23,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,933.25 : 42,688.00 = 16,786.09 : x
  2. Step 2: Convert to fraction form
    30,933.25/42,688.00 = 16,786.09/x
  3. Step 3: Cross multiply
    30,933.25x = 42,688.00 × 16,786.09
  4. Step 4: Simplify right side
    30,933.25x = 716,564,674.67
  5. Step 5: Solve for x
    x = 716,564,674.67/30,933.25
  6. Step 6: Final answer
    x = 23,164.87

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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.