Home / 45,456.40-68,212.98-17,378.82

Finding the Fourth Proportional to 45,456.40, 68,212.98 and 17,378.82

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Solution

The fourth proportional to 45,456.40, 68,212.98 and 17,378.82 is: 26,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.40 : 68,212.98 = 17,378.82 : x
  2. Step 2: Convert to fraction form
    45,456.40/68,212.98 = 17,378.82/x
  3. Step 3: Cross multiply
    45,456.40x = 68,212.98 × 17,378.82
  4. Step 4: Simplify right side
    45,456.40x = 1,185,461,101.08
  5. Step 5: Solve for x
    x = 1,185,461,101.08/45,456.40
  6. Step 6: Final answer
    x = 26,079.08

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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.