Home / 30,161.88-45,182.36-14,382.23

Finding the Fourth Proportional to 30,161.88, 45,182.36 and 14,382.23

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Solution

The fourth proportional to 30,161.88, 45,182.36 and 14,382.23 is: 21,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.88 : 45,182.36 = 14,382.23 : x
  2. Step 2: Convert to fraction form
    30,161.88/45,182.36 = 14,382.23/x
  3. Step 3: Cross multiply
    30,161.88x = 45,182.36 × 14,382.23
  4. Step 4: Simplify right side
    30,161.88x = 649,822,795.64
  5. Step 5: Solve for x
    x = 649,822,795.64/30,161.88
  6. Step 6: Final answer
    x = 21,544.51

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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.