Home / 35,901.82-53,828.43-12,515.50

Finding the Fourth Proportional to 35,901.82, 53,828.43 and 12,515.50

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Solution

The fourth proportional to 35,901.82, 53,828.43 and 12,515.50 is: 18,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.82 : 53,828.43 = 12,515.50 : x
  2. Step 2: Convert to fraction form
    35,901.82/53,828.43 = 12,515.50/x
  3. Step 3: Cross multiply
    35,901.82x = 53,828.43 × 12,515.50
  4. Step 4: Simplify right side
    35,901.82x = 673,689,715.67
  5. Step 5: Solve for x
    x = 673,689,715.67/35,901.82
  6. Step 6: Final answer
    x = 18,764.78

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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.