Home / 53,479.36-80,212.84-14,039.56

Finding the Fourth Proportional to 53,479.36, 80,212.84 and 14,039.56

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Solution

The fourth proportional to 53,479.36, 80,212.84 and 14,039.56 is: 21,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.36 : 80,212.84 = 14,039.56 : x
  2. Step 2: Convert to fraction form
    53,479.36/80,212.84 = 14,039.56/x
  3. Step 3: Cross multiply
    53,479.36x = 80,212.84 × 14,039.56
  4. Step 4: Simplify right side
    53,479.36x = 1,126,152,744.32
  5. Step 5: Solve for x
    x = 1,126,152,744.32/53,479.36
  6. Step 6: Final answer
    x = 21,057.71

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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.