Home / 51,175.38-76,762.50-20,010.36

Finding the Fourth Proportional to 51,175.38, 76,762.50 and 20,010.36

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Solution

The fourth proportional to 51,175.38, 76,762.50 and 20,010.36 is: 30,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.38 : 76,762.50 = 20,010.36 : x
  2. Step 2: Convert to fraction form
    51,175.38/76,762.50 = 20,010.36/x
  3. Step 3: Cross multiply
    51,175.38x = 76,762.50 × 20,010.36
  4. Step 4: Simplify right side
    51,175.38x = 1,536,045,259.50
  5. Step 5: Solve for x
    x = 1,536,045,259.50/51,175.38
  6. Step 6: Final answer
    x = 30,015.32

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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.