Home / 45,399.81-68,013.86-25,692.51

Finding the Fourth Proportional to 45,399.81, 68,013.86 and 25,692.51

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Solution

The fourth proportional to 45,399.81, 68,013.86 and 25,692.51 is: 38,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.81 : 68,013.86 = 25,692.51 : x
  2. Step 2: Convert to fraction form
    45,399.81/68,013.86 = 25,692.51/x
  3. Step 3: Cross multiply
    45,399.81x = 68,013.86 × 25,692.51
  4. Step 4: Simplify right side
    45,399.81x = 1,747,446,649.73
  5. Step 5: Solve for x
    x = 1,747,446,649.73/45,399.81
  6. Step 6: Final answer
    x = 38,490.18

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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.