Home / 51,043.08-76,558.55-13,605.96

Finding the Fourth Proportional to 51,043.08, 76,558.55 and 13,605.96

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Solution

The fourth proportional to 51,043.08, 76,558.55 and 13,605.96 is: 20,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.08 : 76,558.55 = 13,605.96 : x
  2. Step 2: Convert to fraction form
    51,043.08/76,558.55 = 13,605.96/x
  3. Step 3: Cross multiply
    51,043.08x = 76,558.55 × 13,605.96
  4. Step 4: Simplify right side
    51,043.08x = 1,041,652,500.93
  5. Step 5: Solve for x
    x = 1,041,652,500.93/51,043.08
  6. Step 6: Final answer
    x = 20,407.32

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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.