Home / 54,064.37-81,113.90-25,986.45

Finding the Fourth Proportional to 54,064.37, 81,113.90 and 25,986.45

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Solution

The fourth proportional to 54,064.37, 81,113.90 and 25,986.45 is: 38,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.37 : 81,113.90 = 25,986.45 : x
  2. Step 2: Convert to fraction form
    54,064.37/81,113.90 = 25,986.45/x
  3. Step 3: Cross multiply
    54,064.37x = 81,113.90 × 25,986.45
  4. Step 4: Simplify right side
    54,064.37x = 2,107,862,379.51
  5. Step 5: Solve for x
    x = 2,107,862,379.51/54,064.37
  6. Step 6: Final answer
    x = 38,988.02

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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.