Home / 30,057.71-45,043.43-16,882.36

Finding the Fourth Proportional to 30,057.71, 45,043.43 and 16,882.36

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Solution

The fourth proportional to 30,057.71, 45,043.43 and 16,882.36 is: 25,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.71 : 45,043.43 = 16,882.36 : x
  2. Step 2: Convert to fraction form
    30,057.71/45,043.43 = 16,882.36/x
  3. Step 3: Cross multiply
    30,057.71x = 45,043.43 × 16,882.36
  4. Step 4: Simplify right side
    30,057.71x = 760,439,203.87
  5. Step 5: Solve for x
    x = 760,439,203.87/30,057.71
  6. Step 6: Final answer
    x = 25,299.31

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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.