Home / 51,786.01-71,459.44-29,121.40

Finding the Fourth Proportional to 51,786.01, 71,459.44 and 29,121.40

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Solution

The fourth proportional to 51,786.01, 71,459.44 and 29,121.40 is: 40,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.01 : 71,459.44 = 29,121.40 : x
  2. Step 2: Convert to fraction form
    51,786.01/71,459.44 = 29,121.40/x
  3. Step 3: Cross multiply
    51,786.01x = 71,459.44 × 29,121.40
  4. Step 4: Simplify right side
    51,786.01x = 2,080,998,936.02
  5. Step 5: Solve for x
    x = 2,080,998,936.02/51,786.01
  6. Step 6: Final answer
    x = 40,184.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.