Home / 30,189.24-45,328.29-16,888.30

Finding the Fourth Proportional to 30,189.24, 45,328.29 and 16,888.30

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Solution

The fourth proportional to 30,189.24, 45,328.29 and 16,888.30 is: 25,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.24 : 45,328.29 = 16,888.30 : x
  2. Step 2: Convert to fraction form
    30,189.24/45,328.29 = 16,888.30/x
  3. Step 3: Cross multiply
    30,189.24x = 45,328.29 × 16,888.30
  4. Step 4: Simplify right side
    30,189.24x = 765,517,760.01
  5. Step 5: Solve for x
    x = 765,517,760.01/30,189.24
  6. Step 6: Final answer
    x = 25,357.30

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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.