Home / 48,138.96-66,434.83-26,918.22

Finding the Fourth Proportional to 48,138.96, 66,434.83 and 26,918.22

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Solution

The fourth proportional to 48,138.96, 66,434.83 and 26,918.22 is: 37,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.96 : 66,434.83 = 26,918.22 : x
  2. Step 2: Convert to fraction form
    48,138.96/66,434.83 = 26,918.22/x
  3. Step 3: Cross multiply
    48,138.96x = 66,434.83 × 26,918.22
  4. Step 4: Simplify right side
    48,138.96x = 1,788,307,369.60
  5. Step 5: Solve for x
    x = 1,788,307,369.60/48,138.96
  6. Step 6: Final answer
    x = 37,148.86

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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.