Home / 52,450.68-78,628.76-19,147.36

Finding the Fourth Proportional to 52,450.68, 78,628.76 and 19,147.36

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Solution

The fourth proportional to 52,450.68, 78,628.76 and 19,147.36 is: 28,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,450.68 : 78,628.76 = 19,147.36 : x
  2. Step 2: Convert to fraction form
    52,450.68/78,628.76 = 19,147.36/x
  3. Step 3: Cross multiply
    52,450.68x = 78,628.76 × 19,147.36
  4. Step 4: Simplify right side
    52,450.68x = 1,505,533,174.07
  5. Step 5: Solve for x
    x = 1,505,533,174.07/52,450.68
  6. Step 6: Final answer
    x = 28,703.79

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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.