Home / 53,364.12-80,046.24-13,921.20

Finding the Fourth Proportional to 53,364.12, 80,046.24 and 13,921.20

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Solution

The fourth proportional to 53,364.12, 80,046.24 and 13,921.20 is: 20,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.12 : 80,046.24 = 13,921.20 : x
  2. Step 2: Convert to fraction form
    53,364.12/80,046.24 = 13,921.20/x
  3. Step 3: Cross multiply
    53,364.12x = 80,046.24 × 13,921.20
  4. Step 4: Simplify right side
    53,364.12x = 1,114,339,716.29
  5. Step 5: Solve for x
    x = 1,114,339,716.29/53,364.12
  6. Step 6: Final answer
    x = 20,881.82

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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.