Home / 35,571.75-53,341.21-20,785.20

Finding the Fourth Proportional to 35,571.75, 53,341.21 and 20,785.20

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Solution

The fourth proportional to 35,571.75, 53,341.21 and 20,785.20 is: 31,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.75 : 53,341.21 = 20,785.20 : x
  2. Step 2: Convert to fraction form
    35,571.75/53,341.21 = 20,785.20/x
  3. Step 3: Cross multiply
    35,571.75x = 53,341.21 × 20,785.20
  4. Step 4: Simplify right side
    35,571.75x = 1,108,707,718.09
  5. Step 5: Solve for x
    x = 1,108,707,718.09/35,571.75
  6. Step 6: Final answer
    x = 31,168.21

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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.