Home / 30,081.30-45,125.82-14,059.65

Finding the Fourth Proportional to 30,081.30, 45,125.82 and 14,059.65

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Solution

The fourth proportional to 30,081.30, 45,125.82 and 14,059.65 is: 21,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.30 : 45,125.82 = 14,059.65 : x
  2. Step 2: Convert to fraction form
    30,081.30/45,125.82 = 14,059.65/x
  3. Step 3: Cross multiply
    30,081.30x = 45,125.82 × 14,059.65
  4. Step 4: Simplify right side
    30,081.30x = 634,453,164.86
  5. Step 5: Solve for x
    x = 634,453,164.86/30,081.30
  6. Step 6: Final answer
    x = 21,091.28

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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.