Home / 48,530.82-66,985.20-29,683.74

Finding the Fourth Proportional to 48,530.82, 66,985.20 and 29,683.74

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Solution

The fourth proportional to 48,530.82, 66,985.20 and 29,683.74 is: 40,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,530.82 : 66,985.20 = 29,683.74 : x
  2. Step 2: Convert to fraction form
    48,530.82/66,985.20 = 29,683.74/x
  3. Step 3: Cross multiply
    48,530.82x = 66,985.20 × 29,683.74
  4. Step 4: Simplify right side
    48,530.82x = 1,988,371,260.65
  5. Step 5: Solve for x
    x = 1,988,371,260.65/48,530.82
  6. Step 6: Final answer
    x = 40,971.31

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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.