Home / 35,039.37-52,568.78-20,221.23

Finding the Fourth Proportional to 35,039.37, 52,568.78 and 20,221.23

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Solution

The fourth proportional to 35,039.37, 52,568.78 and 20,221.23 is: 30,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,039.37 : 52,568.78 = 20,221.23 : x
  2. Step 2: Convert to fraction form
    35,039.37/52,568.78 = 20,221.23/x
  3. Step 3: Cross multiply
    35,039.37x = 52,568.78 × 20,221.23
  4. Step 4: Simplify right side
    35,039.37x = 1,063,005,391.20
  5. Step 5: Solve for x
    x = 1,063,005,391.20/35,039.37
  6. Step 6: Final answer
    x = 30,337.46

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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.