Home / 35,955.22-53,933.01-12,581.68

Finding the Fourth Proportional to 35,955.22, 53,933.01 and 12,581.68

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Solution

The fourth proportional to 35,955.22, 53,933.01 and 12,581.68 is: 18,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.22 : 53,933.01 = 12,581.68 : x
  2. Step 2: Convert to fraction form
    35,955.22/53,933.01 = 12,581.68/x
  3. Step 3: Cross multiply
    35,955.22x = 53,933.01 × 12,581.68
  4. Step 4: Simplify right side
    35,955.22x = 678,567,873.26
  5. Step 5: Solve for x
    x = 678,567,873.26/35,955.22
  6. Step 6: Final answer
    x = 18,872.58

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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.