Home / 51,238.51-76,860.12-15,697.28

Finding the Fourth Proportional to 51,238.51, 76,860.12 and 15,697.28

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Solution

The fourth proportional to 51,238.51, 76,860.12 and 15,697.28 is: 23,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.51 : 76,860.12 = 15,697.28 : x
  2. Step 2: Convert to fraction form
    51,238.51/76,860.12 = 15,697.28/x
  3. Step 3: Cross multiply
    51,238.51x = 76,860.12 × 15,697.28
  4. Step 4: Simplify right side
    51,238.51x = 1,206,494,824.47
  5. Step 5: Solve for x
    x = 1,206,494,824.47/51,238.51
  6. Step 6: Final answer
    x = 23,546.64

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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.