Home / 36,381.65-54,574.30-13,008.09

Finding the Fourth Proportional to 36,381.65, 54,574.30 and 13,008.09

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Solution

The fourth proportional to 36,381.65, 54,574.30 and 13,008.09 is: 19,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.65 : 54,574.30 = 13,008.09 : x
  2. Step 2: Convert to fraction form
    36,381.65/54,574.30 = 13,008.09/x
  3. Step 3: Cross multiply
    36,381.65x = 54,574.30 × 13,008.09
  4. Step 4: Simplify right side
    36,381.65x = 709,907,406.09
  5. Step 5: Solve for x
    x = 709,907,406.09/36,381.65
  6. Step 6: Final answer
    x = 19,512.79

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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.