Home / 45,168.18-67,764-17,088.42

Finding the Fourth Proportional to 45,168.18, 67,764 and 17,088.42

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Solution

The fourth proportional to 45,168.18, 67,764 and 17,088.42 is: 25,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168.18 : 67,764 = 17,088.42 : x
  2. Step 2: Convert to fraction form
    45,168.18/67,764 = 17,088.42/x
  3. Step 3: Cross multiply
    45,168.18x = 67,764 × 17,088.42
  4. Step 4: Simplify right side
    45,168.18x = 1,157,979,692.88
  5. Step 5: Solve for x
    x = 1,157,979,692.88/45,168.18
  6. Step 6: Final answer
    x = 25,637.07

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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.