Home / 53,511.37-80,260.66-14,071.56

Finding the Fourth Proportional to 53,511.37, 80,260.66 and 14,071.56

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Solution

The fourth proportional to 53,511.37, 80,260.66 and 14,071.56 is: 21,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.37 : 80,260.66 = 14,071.56 : x
  2. Step 2: Convert to fraction form
    53,511.37/80,260.66 = 14,071.56/x
  3. Step 3: Cross multiply
    53,511.37x = 80,260.66 × 14,071.56
  4. Step 4: Simplify right side
    53,511.37x = 1,129,392,409.44
  5. Step 5: Solve for x
    x = 1,129,392,409.44/53,511.37
  6. Step 6: Final answer
    x = 21,105.65

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1.5x scale

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.