Home / 54,327.92-81,502.81-19,270.31

Finding the Fourth Proportional to 54,327.92, 81,502.81 and 19,270.31

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Solution

The fourth proportional to 54,327.92, 81,502.81 and 19,270.31 is: 28,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.92 : 81,502.81 = 19,270.31 : x
  2. Step 2: Convert to fraction form
    54,327.92/81,502.81 = 19,270.31/x
  3. Step 3: Cross multiply
    54,327.92x = 81,502.81 × 19,270.31
  4. Step 4: Simplify right side
    54,327.92x = 1,570,583,958.88
  5. Step 5: Solve for x
    x = 1,570,583,958.88/54,327.92
  6. Step 6: Final answer
    x = 28,909.34

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1.5x scale

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.