Home / 53,403.14-80,109.26-13,960.19

Finding the Fourth Proportional to 53,403.14, 80,109.26 and 13,960.19

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Solution

The fourth proportional to 53,403.14, 80,109.26 and 13,960.19 is: 20,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.14 : 80,109.26 = 13,960.19 : x
  2. Step 2: Convert to fraction form
    53,403.14/80,109.26 = 13,960.19/x
  3. Step 3: Cross multiply
    53,403.14x = 80,109.26 × 13,960.19
  4. Step 4: Simplify right side
    53,403.14x = 1,118,340,324.99
  5. Step 5: Solve for x
    x = 1,118,340,324.99/53,403.14
  6. Step 6: Final answer
    x = 20,941.47

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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.