Home / 35,922.40-53,810.70-20,321.80

Finding the Fourth Proportional to 35,922.40, 53,810.70 and 20,321.80

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Solution

The fourth proportional to 35,922.40, 53,810.70 and 20,321.80 is: 30,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,922.40 : 53,810.70 = 20,321.80 : x
  2. Step 2: Convert to fraction form
    35,922.40/53,810.70 = 20,321.80/x
  3. Step 3: Cross multiply
    35,922.40x = 53,810.70 × 20,321.80
  4. Step 4: Simplify right side
    35,922.40x = 1,093,530,283.26
  5. Step 5: Solve for x
    x = 1,093,530,283.26/35,922.40
  6. Step 6: Final answer
    x = 30,441.46

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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.