Home / 30,006.99-41,389.56-18,057.87

Finding the Fourth Proportional to 30,006.99, 41,389.56 and 18,057.87

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Solution

The fourth proportional to 30,006.99, 41,389.56 and 18,057.87 is: 24,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.99 : 41,389.56 = 18,057.87 : x
  2. Step 2: Convert to fraction form
    30,006.99/41,389.56 = 18,057.87/x
  3. Step 3: Cross multiply
    30,006.99x = 41,389.56 × 18,057.87
  4. Step 4: Simplify right side
    30,006.99x = 747,407,293.84
  5. Step 5: Solve for x
    x = 747,407,293.84/30,006.99
  6. Step 6: Final answer
    x = 24,907.77

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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.