Home / 54,090.29-81,135.50-14,109.25

Finding the Fourth Proportional to 54,090.29, 81,135.50 and 14,109.25

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Solution

The fourth proportional to 54,090.29, 81,135.50 and 14,109.25 is: 21,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.29 : 81,135.50 = 14,109.25 : x
  2. Step 2: Convert to fraction form
    54,090.29/81,135.50 = 14,109.25/x
  3. Step 3: Cross multiply
    54,090.29x = 81,135.50 × 14,109.25
  4. Step 4: Simplify right side
    54,090.29x = 1,144,761,053.38
  5. Step 5: Solve for x
    x = 1,144,761,053.38/54,090.29
  6. Step 6: Final answer
    x = 21,163.89

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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.