Home / 53,563.82-80,357.47-20,284.12

Finding the Fourth Proportional to 53,563.82, 80,357.47 and 20,284.12

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Solution

The fourth proportional to 53,563.82, 80,357.47 and 20,284.12 is: 30,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,563.82 : 80,357.47 = 20,284.12 : x
  2. Step 2: Convert to fraction form
    53,563.82/80,357.47 = 20,284.12/x
  3. Step 3: Cross multiply
    53,563.82x = 80,357.47 × 20,284.12
  4. Step 4: Simplify right side
    53,563.82x = 1,629,980,614.11
  5. Step 5: Solve for x
    x = 1,629,980,614.11/53,563.82
  6. Step 6: Final answer
    x = 30,430.63

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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.