Home / 51,895.32-71,619.20-28,926.60

Finding the Fourth Proportional to 51,895.32, 71,619.20 and 28,926.60

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Solution

The fourth proportional to 51,895.32, 71,619.20 and 28,926.60 is: 39,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.32 : 71,619.20 = 28,926.60 : x
  2. Step 2: Convert to fraction form
    51,895.32/71,619.20 = 28,926.60/x
  3. Step 3: Cross multiply
    51,895.32x = 71,619.20 × 28,926.60
  4. Step 4: Simplify right side
    51,895.32x = 2,071,699,950.72
  5. Step 5: Solve for x
    x = 2,071,699,950.72/51,895.32
  6. Step 6: Final answer
    x = 39,920.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.