Home / 51,259.10-76,861.31-26,289.02

Finding the Fourth Proportional to 51,259.10, 76,861.31 and 26,289.02

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Solution

The fourth proportional to 51,259.10, 76,861.31 and 26,289.02 is: 39,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.10 : 76,861.31 = 26,289.02 : x
  2. Step 2: Convert to fraction form
    51,259.10/76,861.31 = 26,289.02/x
  3. Step 3: Cross multiply
    51,259.10x = 76,861.31 × 26,289.02
  4. Step 4: Simplify right side
    51,259.10x = 2,020,608,576.52
  5. Step 5: Solve for x
    x = 2,020,608,576.52/51,259.10
  6. Step 6: Final answer
    x = 39,419.51

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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.