Home / 53,437.14-80,160.39-13,994.28

Finding the Fourth Proportional to 53,437.14, 80,160.39 and 13,994.28

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Solution

The fourth proportional to 53,437.14, 80,160.39 and 13,994.28 is: 20,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.14 : 80,160.39 = 13,994.28 : x
  2. Step 2: Convert to fraction form
    53,437.14/80,160.39 = 13,994.28/x
  3. Step 3: Cross multiply
    53,437.14x = 80,160.39 × 13,994.28
  4. Step 4: Simplify right side
    53,437.14x = 1,121,786,942.57
  5. Step 5: Solve for x
    x = 1,121,786,942.57/53,437.14
  6. Step 6: Final answer
    x = 20,992.65

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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.