Home / 65,984.40-98,974.20-26,530.80

Finding the Fourth Proportional to 65,984.40, 98,974.20 and 26,530.80

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Solution

The fourth proportional to 65,984.40, 98,974.20 and 26,530.80 is: 39,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,984.40 : 98,974.20 = 26,530.80 : x
  2. Step 2: Convert to fraction form
    65,984.40/98,974.20 = 26,530.80/x
  3. Step 3: Cross multiply
    65,984.40x = 98,974.20 × 26,530.80
  4. Step 4: Simplify right side
    65,984.40x = 2,625,864,705.36
  5. Step 5: Solve for x
    x = 2,625,864,705.36/65,984.40
  6. Step 6: Final answer
    x = 39,795.24

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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.