Home / 42,608.64-63,913.12-13,026.36

Finding the Fourth Proportional to 42,608.64, 63,913.12 and 13,026.36

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Solution

The fourth proportional to 42,608.64, 63,913.12 and 13,026.36 is: 19,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.64 : 63,913.12 = 13,026.36 : x
  2. Step 2: Convert to fraction form
    42,608.64/63,913.12 = 13,026.36/x
  3. Step 3: Cross multiply
    42,608.64x = 63,913.12 × 13,026.36
  4. Step 4: Simplify right side
    42,608.64x = 832,555,309.84
  5. Step 5: Solve for x
    x = 832,555,309.84/42,608.64
  6. Step 6: Final answer
    x = 19,539.59

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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.