Home / 42,429.38-63,619.66-17,486.64

Finding the Fourth Proportional to 42,429.38, 63,619.66 and 17,486.64

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Solution

The fourth proportional to 42,429.38, 63,619.66 and 17,486.64 is: 26,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,429.38 : 63,619.66 = 17,486.64 : x
  2. Step 2: Convert to fraction form
    42,429.38/63,619.66 = 17,486.64/x
  3. Step 3: Cross multiply
    42,429.38x = 63,619.66 × 17,486.64
  4. Step 4: Simplify right side
    42,429.38x = 1,112,494,091.34
  5. Step 5: Solve for x
    x = 1,112,494,091.34/42,429.38
  6. Step 6: Final answer
    x = 26,219.90

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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.