Home / 51,088.08-76,635.96-13,647.33

Finding the Fourth Proportional to 51,088.08, 76,635.96 and 13,647.33

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Solution

The fourth proportional to 51,088.08, 76,635.96 and 13,647.33 is: 20,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,088.08 : 76,635.96 = 13,647.33 : x
  2. Step 2: Convert to fraction form
    51,088.08/76,635.96 = 13,647.33/x
  3. Step 3: Cross multiply
    51,088.08x = 76,635.96 × 13,647.33
  4. Step 4: Simplify right side
    51,088.08x = 1,045,876,235.99
  5. Step 5: Solve for x
    x = 1,045,876,235.99/51,088.08
  6. Step 6: Final answer
    x = 20,472.02

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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.