Home / 55,654.64-76,805.20-30,506.48

Finding the Fourth Proportional to 55,654.64, 76,805.20 and 30,506.48

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Solution

The fourth proportional to 55,654.64, 76,805.20 and 30,506.48 is: 42,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.64 : 76,805.20 = 30,506.48 : x
  2. Step 2: Convert to fraction form
    55,654.64/76,805.20 = 30,506.48/x
  3. Step 3: Cross multiply
    55,654.64x = 76,805.20 × 30,506.48
  4. Step 4: Simplify right side
    55,654.64x = 2,343,056,297.70
  5. Step 5: Solve for x
    x = 2,343,056,297.70/55,654.64
  6. Step 6: Final answer
    x = 42,099.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.