Home / 43,323.12-64,987.05-13,738.82

Finding the Fourth Proportional to 43,323.12, 64,987.05 and 13,738.82

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Solution

The fourth proportional to 43,323.12, 64,987.05 and 13,738.82 is: 20,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,323.12 : 64,987.05 = 13,738.82 : x
  2. Step 2: Convert to fraction form
    43,323.12/64,987.05 = 13,738.82/x
  3. Step 3: Cross multiply
    43,323.12x = 64,987.05 × 13,738.82
  4. Step 4: Simplify right side
    43,323.12x = 892,845,057.35
  5. Step 5: Solve for x
    x = 892,845,057.35/43,323.12
  6. Step 6: Final answer
    x = 20,608.97

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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.