Home / 42,609.64-63,922.66-19,236.08

Finding the Fourth Proportional to 42,609.64, 63,922.66 and 19,236.08

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Solution

The fourth proportional to 42,609.64, 63,922.66 and 19,236.08 is: 28,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.64 : 63,922.66 = 19,236.08 : x
  2. Step 2: Convert to fraction form
    42,609.64/63,922.66 = 19,236.08/x
  3. Step 3: Cross multiply
    42,609.64x = 63,922.66 × 19,236.08
  4. Step 4: Simplify right side
    42,609.64x = 1,229,621,401.57
  5. Step 5: Solve for x
    x = 1,229,621,401.57/42,609.64
  6. Step 6: Final answer
    x = 28,857.82

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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.