Home / 43,859.19-65,789.60-14,276.91

Finding the Fourth Proportional to 43,859.19, 65,789.60 and 14,276.91

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Solution

The fourth proportional to 43,859.19, 65,789.60 and 14,276.91 is: 21,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,859.19 : 65,789.60 = 14,276.91 : x
  2. Step 2: Convert to fraction form
    43,859.19/65,789.60 = 14,276.91/x
  3. Step 3: Cross multiply
    43,859.19x = 65,789.60 × 14,276.91
  4. Step 4: Simplify right side
    43,859.19x = 939,272,198.14
  5. Step 5: Solve for x
    x = 939,272,198.14/43,859.19
  6. Step 6: Final answer
    x = 21,415.63

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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.