Home / 39,180-58,769.88-14,220.02

Finding the Fourth Proportional to 39,180, 58,769.88 and 14,220.02

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Solution

The fourth proportional to 39,180, 58,769.88 and 14,220.02 is: 21,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180 : 58,769.88 = 14,220.02 : x
  2. Step 2: Convert to fraction form
    39,180/58,769.88 = 14,220.02/x
  3. Step 3: Cross multiply
    39,180x = 58,769.88 × 14,220.02
  4. Step 4: Simplify right side
    39,180x = 835,708,575.15
  5. Step 5: Solve for x
    x = 835,708,575.15/39,180
  6. Step 6: Final answer
    x = 21,329.98

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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.