Home / 51,031.09-76,552.40-21,443.41

Finding the Fourth Proportional to 51,031.09, 76,552.40 and 21,443.41

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Solution

The fourth proportional to 51,031.09, 76,552.40 and 21,443.41 is: 32,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.09 : 76,552.40 = 21,443.41 : x
  2. Step 2: Convert to fraction form
    51,031.09/76,552.40 = 21,443.41/x
  3. Step 3: Cross multiply
    51,031.09x = 76,552.40 × 21,443.41
  4. Step 4: Simplify right side
    51,031.09x = 1,641,544,499.68
  5. Step 5: Solve for x
    x = 1,641,544,499.68/51,031.09
  6. Step 6: Final answer
    x = 32,167.54

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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.