Home / 51,144.64-76,716.36-13,703.56

Finding the Fourth Proportional to 51,144.64, 76,716.36 and 13,703.56

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Solution

The fourth proportional to 51,144.64, 76,716.36 and 13,703.56 is: 20,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.64 : 76,716.36 = 13,703.56 : x
  2. Step 2: Convert to fraction form
    51,144.64/76,716.36 = 13,703.56/x
  3. Step 3: Cross multiply
    51,144.64x = 76,716.36 × 13,703.56
  4. Step 4: Simplify right side
    51,144.64x = 1,051,287,242.24
  5. Step 5: Solve for x
    x = 1,051,287,242.24/51,144.64
  6. Step 6: Final answer
    x = 20,555.18

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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.