Home / 54,903.90-82,355.85-21,605.88

Finding the Fourth Proportional to 54,903.90, 82,355.85 and 21,605.88

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Solution

The fourth proportional to 54,903.90, 82,355.85 and 21,605.88 is: 32,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.90 : 82,355.85 = 21,605.88 : x
  2. Step 2: Convert to fraction form
    54,903.90/82,355.85 = 21,605.88/x
  3. Step 3: Cross multiply
    54,903.90x = 82,355.85 × 21,605.88
  4. Step 4: Simplify right side
    54,903.90x = 1,779,370,612.40
  5. Step 5: Solve for x
    x = 1,779,370,612.40/54,903.90
  6. Step 6: Final answer
    x = 32,408.82

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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.