Home / 54,748.40-82,086.12-19,683.52

Finding the Fourth Proportional to 54,748.40, 82,086.12 and 19,683.52

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Solution

The fourth proportional to 54,748.40, 82,086.12 and 19,683.52 is: 29,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.40 : 82,086.12 = 19,683.52 : x
  2. Step 2: Convert to fraction form
    54,748.40/82,086.12 = 19,683.52/x
  3. Step 3: Cross multiply
    54,748.40x = 82,086.12 × 19,683.52
  4. Step 4: Simplify right side
    54,748.40x = 1,615,743,784.74
  5. Step 5: Solve for x
    x = 1,615,743,784.74/54,748.40
  6. Step 6: Final answer
    x = 29,512.16

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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.