Home / 30,272.09-45,415.42-9,495.59

Finding the Fourth Proportional to 30,272.09, 45,415.42 and 9,495.59

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Solution

The fourth proportional to 30,272.09, 45,415.42 and 9,495.59 is: 14,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.09 : 45,415.42 = 9,495.59 : x
  2. Step 2: Convert to fraction form
    30,272.09/45,415.42 = 9,495.59/x
  3. Step 3: Cross multiply
    30,272.09x = 45,415.42 × 9,495.59
  4. Step 4: Simplify right side
    30,272.09x = 431,245,980.92
  5. Step 5: Solve for x
    x = 431,245,980.92/30,272.09
  6. Step 6: Final answer
    x = 14,245.66

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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.