Home / 45,672.86-68,509.20-17,215.13

Finding the Fourth Proportional to 45,672.86, 68,509.20 and 17,215.13

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Solution

The fourth proportional to 45,672.86, 68,509.20 and 17,215.13 is: 25,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.86 : 68,509.20 = 17,215.13 : x
  2. Step 2: Convert to fraction form
    45,672.86/68,509.20 = 17,215.13/x
  3. Step 3: Cross multiply
    45,672.86x = 68,509.20 × 17,215.13
  4. Step 4: Simplify right side
    45,672.86x = 1,179,394,784.20
  5. Step 5: Solve for x
    x = 1,179,394,784.20/45,672.86
  6. Step 6: Final answer
    x = 25,822.66

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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.