Home / 52,550.24-78,824.68-13,107.69

Finding the Fourth Proportional to 52,550.24, 78,824.68 and 13,107.69

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Solution

The fourth proportional to 52,550.24, 78,824.68 and 13,107.69 is: 19,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.24 : 78,824.68 = 13,107.69 : x
  2. Step 2: Convert to fraction form
    52,550.24/78,824.68 = 13,107.69/x
  3. Step 3: Cross multiply
    52,550.24x = 78,824.68 × 13,107.69
  4. Step 4: Simplify right side
    52,550.24x = 1,033,209,437.02
  5. Step 5: Solve for x
    x = 1,033,209,437.02/52,550.24
  6. Step 6: Final answer
    x = 19,661.37

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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.