Home / 42,296.42-63,431.66-11,127.62

Finding the Fourth Proportional to 42,296.42, 63,431.66 and 11,127.62

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Solution

The fourth proportional to 42,296.42, 63,431.66 and 11,127.62 is: 16,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296.42 : 63,431.66 = 11,127.62 : x
  2. Step 2: Convert to fraction form
    42,296.42/63,431.66 = 11,127.62/x
  3. Step 3: Cross multiply
    42,296.42x = 63,431.66 × 11,127.62
  4. Step 4: Simplify right side
    42,296.42x = 705,843,408.45
  5. Step 5: Solve for x
    x = 705,843,408.45/42,296.42
  6. Step 6: Final answer
    x = 16,688.02

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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.