Home / 40,021.71-60,035.60-11,939.57

Finding the Fourth Proportional to 40,021.71, 60,035.60 and 11,939.57

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Solution

The fourth proportional to 40,021.71, 60,035.60 and 11,939.57 is: 17,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.71 : 60,035.60 = 11,939.57 : x
  2. Step 2: Convert to fraction form
    40,021.71/60,035.60 = 11,939.57/x
  3. Step 3: Cross multiply
    40,021.71x = 60,035.60 × 11,939.57
  4. Step 4: Simplify right side
    40,021.71x = 716,799,203.50
  5. Step 5: Solve for x
    x = 716,799,203.50/40,021.71
  6. Step 6: Final answer
    x = 17,910.26

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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.