Home / 39,180.98-58,771.48-14,220.98

Finding the Fourth Proportional to 39,180.98, 58,771.48 and 14,220.98

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Solution

The fourth proportional to 39,180.98, 58,771.48 and 14,220.98 is: 21,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.98 : 58,771.48 = 14,220.98 : x
  2. Step 2: Convert to fraction form
    39,180.98/58,771.48 = 14,220.98/x
  3. Step 3: Cross multiply
    39,180.98x = 58,771.48 × 14,220.98
  4. Step 4: Simplify right side
    39,180.98x = 835,787,747.79
  5. Step 5: Solve for x
    x = 835,787,747.79/39,180.98
  6. Step 6: Final answer
    x = 21,331.47

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Similar ratio
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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.