Home / 53,965.26-80,953.74-20,713.50

Finding the Fourth Proportional to 53,965.26, 80,953.74 and 20,713.50

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Solution

The fourth proportional to 53,965.26, 80,953.74 and 20,713.50 is: 31,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,965.26 : 80,953.74 = 20,713.50 : x
  2. Step 2: Convert to fraction form
    53,965.26/80,953.74 = 20,713.50/x
  3. Step 3: Cross multiply
    53,965.26x = 80,953.74 × 20,713.50
  4. Step 4: Simplify right side
    53,965.26x = 1,676,835,293.49
  5. Step 5: Solve for x
    x = 1,676,835,293.49/53,965.26
  6. Step 6: Final answer
    x = 31,072.50

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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.