Home / 39,610.18-54,662.34-21,706.84

Finding the Fourth Proportional to 39,610.18, 54,662.34 and 21,706.84

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Solution

The fourth proportional to 39,610.18, 54,662.34 and 21,706.84 is: 29,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.18 : 54,662.34 = 21,706.84 : x
  2. Step 2: Convert to fraction form
    39,610.18/54,662.34 = 21,706.84/x
  3. Step 3: Cross multiply
    39,610.18x = 54,662.34 × 21,706.84
  4. Step 4: Simplify right side
    39,610.18x = 1,186,546,668.41
  5. Step 5: Solve for x
    x = 1,186,546,668.41/39,610.18
  6. Step 6: Final answer
    x = 29,955.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.