Home / 35,400.34-53,069.07-13,198.65

Finding the Fourth Proportional to 35,400.34, 53,069.07 and 13,198.65

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Solution

The fourth proportional to 35,400.34, 53,069.07 and 13,198.65 is: 19,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.34 : 53,069.07 = 13,198.65 : x
  2. Step 2: Convert to fraction form
    35,400.34/53,069.07 = 13,198.65/x
  3. Step 3: Cross multiply
    35,400.34x = 53,069.07 × 13,198.65
  4. Step 4: Simplify right side
    35,400.34x = 700,439,931.24
  5. Step 5: Solve for x
    x = 700,439,931.24/35,400.34
  6. Step 6: Final answer
    x = 19,786.25

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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.