Home / 51,923.20-77,887.56-16,860.28

Finding the Fourth Proportional to 51,923.20, 77,887.56 and 16,860.28

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Solution

The fourth proportional to 51,923.20, 77,887.56 and 16,860.28 is: 25,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,923.20 : 77,887.56 = 16,860.28 : x
  2. Step 2: Convert to fraction form
    51,923.20/77,887.56 = 16,860.28/x
  3. Step 3: Cross multiply
    51,923.20x = 77,887.56 × 16,860.28
  4. Step 4: Simplify right side
    51,923.20x = 1,313,206,070.12
  5. Step 5: Solve for x
    x = 1,313,206,070.12/51,923.20
  6. Step 6: Final answer
    x = 25,291.32

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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.