Home / 30,123.28-41,571.22-18,184.30

Finding the Fourth Proportional to 30,123.28, 41,571.22 and 18,184.30

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Solution

The fourth proportional to 30,123.28, 41,571.22 and 18,184.30 is: 25,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.28 : 41,571.22 = 18,184.30 : x
  2. Step 2: Convert to fraction form
    30,123.28/41,571.22 = 18,184.30/x
  3. Step 3: Cross multiply
    30,123.28x = 41,571.22 × 18,184.30
  4. Step 4: Simplify right side
    30,123.28x = 755,943,535.85
  5. Step 5: Solve for x
    x = 755,943,535.85/30,123.28
  6. Step 6: Final answer
    x = 25,094.99

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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.