Home / 45,696.48-68,531.76-17,988

Finding the Fourth Proportional to 45,696.48, 68,531.76 and 17,988

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Solution

The fourth proportional to 45,696.48, 68,531.76 and 17,988 is: 26,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,696.48 : 68,531.76 = 17,988 : x
  2. Step 2: Convert to fraction form
    45,696.48/68,531.76 = 17,988/x
  3. Step 3: Cross multiply
    45,696.48x = 68,531.76 × 17,988
  4. Step 4: Simplify right side
    45,696.48x = 1,232,749,298.88
  5. Step 5: Solve for x
    x = 1,232,749,298.88/45,696.48
  6. Step 6: Final answer
    x = 26,976.90

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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.