Home / 30,088.92-45,133.25-12,327.82

Finding the Fourth Proportional to 30,088.92, 45,133.25 and 12,327.82

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Solution

The fourth proportional to 30,088.92, 45,133.25 and 12,327.82 is: 18,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.92 : 45,133.25 = 12,327.82 : x
  2. Step 2: Convert to fraction form
    30,088.92/45,133.25 = 12,327.82/x
  3. Step 3: Cross multiply
    30,088.92x = 45,133.25 × 12,327.82
  4. Step 4: Simplify right side
    30,088.92x = 556,394,582.02
  5. Step 5: Solve for x
    x = 556,394,582.02/30,088.92
  6. Step 6: Final answer
    x = 18,491.68

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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.