Home / 54,657.90-81,986.85-31,267.94

Finding the Fourth Proportional to 54,657.90, 81,986.85 and 31,267.94

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Solution

The fourth proportional to 54,657.90, 81,986.85 and 31,267.94 is: 46,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,657.90 : 81,986.85 = 31,267.94 : x
  2. Step 2: Convert to fraction form
    54,657.90/81,986.85 = 31,267.94/x
  3. Step 3: Cross multiply
    54,657.90x = 81,986.85 × 31,267.94
  4. Step 4: Simplify right side
    54,657.90x = 2,563,559,496.65
  5. Step 5: Solve for x
    x = 2,563,559,496.65/54,657.90
  6. Step 6: Final answer
    x = 46,901.90

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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.