Home / 65,481.51-98,221.59-28,009.83

Finding the Fourth Proportional to 65,481.51, 98,221.59 and 28,009.83

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Solution

The fourth proportional to 65,481.51, 98,221.59 and 28,009.83 is: 42,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481.51 : 98,221.59 = 28,009.83 : x
  2. Step 2: Convert to fraction form
    65,481.51/98,221.59 = 28,009.83/x
  3. Step 3: Cross multiply
    65,481.51x = 98,221.59 × 28,009.83
  4. Step 4: Simplify right side
    65,481.51x = 2,751,170,038.23
  5. Step 5: Solve for x
    x = 2,751,170,038.23/65,481.51
  6. Step 6: Final answer
    x = 42,014.46

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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.