Home / 51,176.72-76,778.89-15,637.06

Finding the Fourth Proportional to 51,176.72, 76,778.89 and 15,637.06

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Solution

The fourth proportional to 51,176.72, 76,778.89 and 15,637.06 is: 23,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.72 : 76,778.89 = 15,637.06 : x
  2. Step 2: Convert to fraction form
    51,176.72/76,778.89 = 15,637.06/x
  3. Step 3: Cross multiply
    51,176.72x = 76,778.89 × 15,637.06
  4. Step 4: Simplify right side
    51,176.72x = 1,200,596,227.26
  5. Step 5: Solve for x
    x = 1,200,596,227.26/51,176.72
  6. Step 6: Final answer
    x = 23,459.81

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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.