Home / 43,239.65-64,742.23-22,419.41

Finding the Fourth Proportional to 43,239.65, 64,742.23 and 22,419.41

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Solution

The fourth proportional to 43,239.65, 64,742.23 and 22,419.41 is: 33,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.65 : 64,742.23 = 22,419.41 : x
  2. Step 2: Convert to fraction form
    43,239.65/64,742.23 = 22,419.41/x
  3. Step 3: Cross multiply
    43,239.65x = 64,742.23 × 22,419.41
  4. Step 4: Simplify right side
    43,239.65x = 1,451,482,486.59
  5. Step 5: Solve for x
    x = 1,451,482,486.59/43,239.65
  6. Step 6: Final answer
    x = 33,568.32

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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.