Home / 42,214.53-63,336.39-28,230.69

Finding the Fourth Proportional to 42,214.53, 63,336.39 and 28,230.69

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Solution

The fourth proportional to 42,214.53, 63,336.39 and 28,230.69 is: 42,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.53 : 63,336.39 = 28,230.69 : x
  2. Step 2: Convert to fraction form
    42,214.53/63,336.39 = 28,230.69/x
  3. Step 3: Cross multiply
    42,214.53x = 63,336.39 × 28,230.69
  4. Step 4: Simplify right side
    42,214.53x = 1,788,029,991.81
  5. Step 5: Solve for x
    x = 1,788,029,991.81/42,214.53
  6. Step 6: Final answer
    x = 42,355.80

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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.