Home / 42,717.97-64,090.67-20,532.96

Finding the Fourth Proportional to 42,717.97, 64,090.67 and 20,532.96

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Solution

The fourth proportional to 42,717.97, 64,090.67 and 20,532.96 is: 30,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,717.97 : 64,090.67 = 20,532.96 : x
  2. Step 2: Convert to fraction form
    42,717.97/64,090.67 = 20,532.96/x
  3. Step 3: Cross multiply
    42,717.97x = 64,090.67 × 20,532.96
  4. Step 4: Simplify right side
    42,717.97x = 1,315,971,163.48
  5. Step 5: Solve for x
    x = 1,315,971,163.48/42,717.97
  6. Step 6: Final answer
    x = 30,806.03

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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.