Home / 53,478.70-80,218.05-14,039.80

Finding the Fourth Proportional to 53,478.70, 80,218.05 and 14,039.80

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Solution

The fourth proportional to 53,478.70, 80,218.05 and 14,039.80 is: 21,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.70 : 80,218.05 = 14,039.80 : x
  2. Step 2: Convert to fraction form
    53,478.70/80,218.05 = 14,039.80/x
  3. Step 3: Cross multiply
    53,478.70x = 80,218.05 × 14,039.80
  4. Step 4: Simplify right side
    53,478.70x = 1,126,245,378.39
  5. Step 5: Solve for x
    x = 1,126,245,378.39/53,478.70
  6. Step 6: Final answer
    x = 21,059.70

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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.