Home / 39,674.12-59,512.59-13,379.09

Finding the Fourth Proportional to 39,674.12, 59,512.59 and 13,379.09

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Solution

The fourth proportional to 39,674.12, 59,512.59 and 13,379.09 is: 20,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.12 : 59,512.59 = 13,379.09 : x
  2. Step 2: Convert to fraction form
    39,674.12/59,512.59 = 13,379.09/x
  3. Step 3: Cross multiply
    39,674.12x = 59,512.59 × 13,379.09
  4. Step 4: Simplify right side
    39,674.12x = 796,224,000.18
  5. Step 5: Solve for x
    x = 796,224,000.18/39,674.12
  6. Step 6: Final answer
    x = 20,069.11

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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.