Home / 30,142.96-45,391.30-26,293.36

Finding the Fourth Proportional to 30,142.96, 45,391.30 and 26,293.36

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Solution

The fourth proportional to 30,142.96, 45,391.30 and 26,293.36 is: 39,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,142.96 : 45,391.30 = 26,293.36 : x
  2. Step 2: Convert to fraction form
    30,142.96/45,391.30 = 26,293.36/x
  3. Step 3: Cross multiply
    30,142.96x = 45,391.30 × 26,293.36
  4. Step 4: Simplify right side
    30,142.96x = 1,193,489,791.77
  5. Step 5: Solve for x
    x = 1,193,489,791.77/30,142.96
  6. Step 6: Final answer
    x = 39,594.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.