Home / 39,000.82-58,479.62-18,212.98

Finding the Fourth Proportional to 39,000.82, 58,479.62 and 18,212.98

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Solution

The fourth proportional to 39,000.82, 58,479.62 and 18,212.98 is: 27,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.82 : 58,479.62 = 18,212.98 : x
  2. Step 2: Convert to fraction form
    39,000.82/58,479.62 = 18,212.98/x
  3. Step 3: Cross multiply
    39,000.82x = 58,479.62 × 18,212.98
  4. Step 4: Simplify right side
    39,000.82x = 1,065,088,149.47
  5. Step 5: Solve for x
    x = 1,065,088,149.47/39,000.82
  6. Step 6: Final answer
    x = 27,309.38

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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.