Home / 35,577.80-53,352.30-12,192.20

Finding the Fourth Proportional to 35,577.80, 53,352.30 and 12,192.20

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Solution

The fourth proportional to 35,577.80, 53,352.30 and 12,192.20 is: 18,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,577.80 : 53,352.30 = 12,192.20 : x
  2. Step 2: Convert to fraction form
    35,577.80/53,352.30 = 12,192.20/x
  3. Step 3: Cross multiply
    35,577.80x = 53,352.30 × 12,192.20
  4. Step 4: Simplify right side
    35,577.80x = 650,481,912.06
  5. Step 5: Solve for x
    x = 650,481,912.06/35,577.80
  6. Step 6: Final answer
    x = 18,283.37

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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.