Home / 54,612.31-75,372.24-30,743.68

Finding the Fourth Proportional to 54,612.31, 75,372.24 and 30,743.68

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Solution

The fourth proportional to 54,612.31, 75,372.24 and 30,743.68 is: 42,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.31 : 75,372.24 = 30,743.68 : x
  2. Step 2: Convert to fraction form
    54,612.31/75,372.24 = 30,743.68/x
  3. Step 3: Cross multiply
    54,612.31x = 75,372.24 × 30,743.68
  4. Step 4: Simplify right side
    54,612.31x = 2,317,220,027.44
  5. Step 5: Solve for x
    x = 2,317,220,027.44/54,612.31
  6. Step 6: Final answer
    x = 42,430.36

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1.5x scale

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.