Home / 42,051.96-63,077.93-19,867.56

Finding the Fourth Proportional to 42,051.96, 63,077.93 and 19,867.56

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Solution

The fourth proportional to 42,051.96, 63,077.93 and 19,867.56 is: 29,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051.96 : 63,077.93 = 19,867.56 : x
  2. Step 2: Convert to fraction form
    42,051.96/63,077.93 = 19,867.56/x
  3. Step 3: Cross multiply
    42,051.96x = 63,077.93 × 19,867.56
  4. Step 4: Simplify right side
    42,051.96x = 1,253,204,766.31
  5. Step 5: Solve for x
    x = 1,253,204,766.31/42,051.96
  6. Step 6: Final answer
    x = 29,801.34

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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.