Home / 54,320.79-81,605.94-38,347.05

Finding the Fourth Proportional to 54,320.79, 81,605.94 and 38,347.05

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Solution

The fourth proportional to 54,320.79, 81,605.94 and 38,347.05 is: 57,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.79 : 81,605.94 = 38,347.05 : x
  2. Step 2: Convert to fraction form
    54,320.79/81,605.94 = 38,347.05/x
  3. Step 3: Cross multiply
    54,320.79x = 81,605.94 × 38,347.05
  4. Step 4: Simplify right side
    54,320.79x = 3,129,347,061.48
  5. Step 5: Solve for x
    x = 3,129,347,061.48/54,320.79
  6. Step 6: Final answer
    x = 57,608.64

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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.