Home / 51,365.43-77,057.71-18,106.63

Finding the Fourth Proportional to 51,365.43, 77,057.71 and 18,106.63

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Solution

The fourth proportional to 51,365.43, 77,057.71 and 18,106.63 is: 27,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.43 : 77,057.71 = 18,106.63 : x
  2. Step 2: Convert to fraction form
    51,365.43/77,057.71 = 18,106.63/x
  3. Step 3: Cross multiply
    51,365.43x = 77,057.71 × 18,106.63
  4. Step 4: Simplify right side
    51,365.43x = 1,395,255,443.62
  5. Step 5: Solve for x
    x = 1,395,255,443.62/51,365.43
  6. Step 6: Final answer
    x = 27,163.32

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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.