Home / 51,237.78-76,856.70-14,301.78

Finding the Fourth Proportional to 51,237.78, 76,856.70 and 14,301.78

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Solution

The fourth proportional to 51,237.78, 76,856.70 and 14,301.78 is: 21,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.78 : 76,856.70 = 14,301.78 : x
  2. Step 2: Convert to fraction form
    51,237.78/76,856.70 = 14,301.78/x
  3. Step 3: Cross multiply
    51,237.78x = 76,856.70 × 14,301.78
  4. Step 4: Simplify right side
    51,237.78x = 1,099,187,614.93
  5. Step 5: Solve for x
    x = 1,099,187,614.93/51,237.78
  6. Step 6: Final answer
    x = 21,452.68

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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.