Home / 45,300.16-67,964.82-18,997.84

Finding the Fourth Proportional to 45,300.16, 67,964.82 and 18,997.84

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Solution

The fourth proportional to 45,300.16, 67,964.82 and 18,997.84 is: 28,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,300.16 : 67,964.82 = 18,997.84 : x
  2. Step 2: Convert to fraction form
    45,300.16/67,964.82 = 18,997.84/x
  3. Step 3: Cross multiply
    45,300.16x = 67,964.82 × 18,997.84
  4. Step 4: Simplify right side
    45,300.16x = 1,291,184,775.99
  5. Step 5: Solve for x
    x = 1,291,184,775.99/45,300.16
  6. Step 6: Final answer
    x = 28,502.87

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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.