Home / 30,530.18-45,812.28-16,489.92

Finding the Fourth Proportional to 30,530.18, 45,812.28 and 16,489.92

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Solution

The fourth proportional to 30,530.18, 45,812.28 and 16,489.92 is: 24,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.18 : 45,812.28 = 16,489.92 : x
  2. Step 2: Convert to fraction form
    30,530.18/45,812.28 = 16,489.92/x
  3. Step 3: Cross multiply
    30,530.18x = 45,812.28 × 16,489.92
  4. Step 4: Simplify right side
    30,530.18x = 755,440,832.22
  5. Step 5: Solve for x
    x = 755,440,832.22/30,530.18
  6. Step 6: Final answer
    x = 24,744.07

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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.