Home / 53,651.58-80,477.38-20,371.66

Finding the Fourth Proportional to 53,651.58, 80,477.38 and 20,371.66

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Solution

The fourth proportional to 53,651.58, 80,477.38 and 20,371.66 is: 30,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.58 : 80,477.38 = 20,371.66 : x
  2. Step 2: Convert to fraction form
    53,651.58/80,477.38 = 20,371.66/x
  3. Step 3: Cross multiply
    53,651.58x = 80,477.38 × 20,371.66
  4. Step 4: Simplify right side
    53,651.58x = 1,639,457,823.05
  5. Step 5: Solve for x
    x = 1,639,457,823.05/53,651.58
  6. Step 6: Final answer
    x = 30,557.49

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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.