Home / 51,087.08-76,499.40-31,305.66

Finding the Fourth Proportional to 51,087.08, 76,499.40 and 31,305.66

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Solution

The fourth proportional to 51,087.08, 76,499.40 and 31,305.66 is: 46,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.08 : 76,499.40 = 31,305.66 : x
  2. Step 2: Convert to fraction form
    51,087.08/76,499.40 = 31,305.66/x
  3. Step 3: Cross multiply
    51,087.08x = 76,499.40 × 31,305.66
  4. Step 4: Simplify right side
    51,087.08x = 2,394,864,206.60
  5. Step 5: Solve for x
    x = 2,394,864,206.60/51,087.08
  6. Step 6: Final answer
    x = 46,878.08

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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.