Home / 30,099.60-41,572.44-28,350

Finding the Fourth Proportional to 30,099.60, 41,572.44 and 28,350

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Solution

The fourth proportional to 30,099.60, 41,572.44 and 28,350 is: 39,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.60 : 41,572.44 = 28,350 : x
  2. Step 2: Convert to fraction form
    30,099.60/41,572.44 = 28,350/x
  3. Step 3: Cross multiply
    30,099.60x = 41,572.44 × 28,350
  4. Step 4: Simplify right side
    30,099.60x = 1,178,578,674
  5. Step 5: Solve for x
    x = 1,178,578,674/30,099.60
  6. Step 6: Final answer
    x = 39,155.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.