Home / 54,238.20-81,430.20-34,603.80

Finding the Fourth Proportional to 54,238.20, 81,430.20 and 34,603.80

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Solution

The fourth proportional to 54,238.20, 81,430.20 and 34,603.80 is: 51,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,238.20 : 81,430.20 = 34,603.80 : x
  2. Step 2: Convert to fraction form
    54,238.20/81,430.20 = 34,603.80/x
  3. Step 3: Cross multiply
    54,238.20x = 81,430.20 × 34,603.80
  4. Step 4: Simplify right side
    54,238.20x = 2,817,794,354.76
  5. Step 5: Solve for x
    x = 2,817,794,354.76/54,238.20
  6. Step 6: Final answer
    x = 51,952.21

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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.