Home / 30,012.12-44,987.94-14,421.24

Finding the Fourth Proportional to 30,012.12, 44,987.94 and 14,421.24

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Solution

The fourth proportional to 30,012.12, 44,987.94 and 14,421.24 is: 21,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.12 : 44,987.94 = 14,421.24 : x
  2. Step 2: Convert to fraction form
    30,012.12/44,987.94 = 14,421.24/x
  3. Step 3: Cross multiply
    30,012.12x = 44,987.94 × 14,421.24
  4. Step 4: Simplify right side
    30,012.12x = 648,781,879.85
  5. Step 5: Solve for x
    x = 648,781,879.85/30,012.12
  6. Step 6: Final answer
    x = 21,617.33

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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.