Home / 53,403.30-80,109.50-13,960.35

Finding the Fourth Proportional to 53,403.30, 80,109.50 and 13,960.35

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Solution

The fourth proportional to 53,403.30, 80,109.50 and 13,960.35 is: 20,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.30 : 80,109.50 = 13,960.35 : x
  2. Step 2: Convert to fraction form
    53,403.30/80,109.50 = 13,960.35/x
  3. Step 3: Cross multiply
    53,403.30x = 80,109.50 × 13,960.35
  4. Step 4: Simplify right side
    53,403.30x = 1,118,356,187.98
  5. Step 5: Solve for x
    x = 1,118,356,187.98/53,403.30
  6. Step 6: Final answer
    x = 20,941.71

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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.