Home / 51,171.18-76,723.93-21,581.07

Finding the Fourth Proportional to 51,171.18, 76,723.93 and 21,581.07

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Solution

The fourth proportional to 51,171.18, 76,723.93 and 21,581.07 is: 32,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.18 : 76,723.93 = 21,581.07 : x
  2. Step 2: Convert to fraction form
    51,171.18/76,723.93 = 21,581.07/x
  3. Step 3: Cross multiply
    51,171.18x = 76,723.93 × 21,581.07
  4. Step 4: Simplify right side
    51,171.18x = 1,655,784,504.01
  5. Step 5: Solve for x
    x = 1,655,784,504.01/51,171.18
  6. Step 6: Final answer
    x = 32,357.75

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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.