Home / 42,619.80-63,929.70-13,037.70

Finding the Fourth Proportional to 42,619.80, 63,929.70 and 13,037.70

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Solution

The fourth proportional to 42,619.80, 63,929.70 and 13,037.70 is: 19,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.80 : 63,929.70 = 13,037.70 : x
  2. Step 2: Convert to fraction form
    42,619.80/63,929.70 = 13,037.70/x
  3. Step 3: Cross multiply
    42,619.80x = 63,929.70 × 13,037.70
  4. Step 4: Simplify right side
    42,619.80x = 833,496,249.69
  5. Step 5: Solve for x
    x = 833,496,249.69/42,619.80
  6. Step 6: Final answer
    x = 19,556.55

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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.