Home / 42,299.68-63,444.48-11,137.36

Finding the Fourth Proportional to 42,299.68, 63,444.48 and 11,137.36

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Solution

The fourth proportional to 42,299.68, 63,444.48 and 11,137.36 is: 16,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.68 : 63,444.48 = 11,137.36 : x
  2. Step 2: Convert to fraction form
    42,299.68/63,444.48 = 11,137.36/x
  3. Step 3: Cross multiply
    42,299.68x = 63,444.48 × 11,137.36
  4. Step 4: Simplify right side
    42,299.68x = 706,604,013.77
  5. Step 5: Solve for x
    x = 706,604,013.77/42,299.68
  6. Step 6: Final answer
    x = 16,704.71

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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.