Home / 42,608.38-63,912.75-13,026.17

Finding the Fourth Proportional to 42,608.38, 63,912.75 and 13,026.17

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Solution

The fourth proportional to 42,608.38, 63,912.75 and 13,026.17 is: 19,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.38 : 63,912.75 = 13,026.17 : x
  2. Step 2: Convert to fraction form
    42,608.38/63,912.75 = 13,026.17/x
  3. Step 3: Cross multiply
    42,608.38x = 63,912.75 × 13,026.17
  4. Step 4: Simplify right side
    42,608.38x = 832,538,098.09
  5. Step 5: Solve for x
    x = 832,538,098.09/42,608.38
  6. Step 6: Final answer
    x = 19,539.30

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1.5x scale

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.