Home / 35,991.30-53,985.24-12,615.96

Finding the Fourth Proportional to 35,991.30, 53,985.24 and 12,615.96

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Solution

The fourth proportional to 35,991.30, 53,985.24 and 12,615.96 is: 18,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.30 : 53,985.24 = 12,615.96 : x
  2. Step 2: Convert to fraction form
    35,991.30/53,985.24 = 12,615.96/x
  3. Step 3: Cross multiply
    35,991.30x = 53,985.24 × 12,615.96
  4. Step 4: Simplify right side
    35,991.30x = 681,075,628.43
  5. Step 5: Solve for x
    x = 681,075,628.43/35,991.30
  6. Step 6: Final answer
    x = 18,923.34

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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.