Home / 42,914.70-64,379.51-14,448.95

Finding the Fourth Proportional to 42,914.70, 64,379.51 and 14,448.95

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Solution

The fourth proportional to 42,914.70, 64,379.51 and 14,448.95 is: 21,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,914.70 : 64,379.51 = 14,448.95 : x
  2. Step 2: Convert to fraction form
    42,914.70/64,379.51 = 14,448.95/x
  3. Step 3: Cross multiply
    42,914.70x = 64,379.51 × 14,448.95
  4. Step 4: Simplify right side
    42,914.70x = 930,216,321.01
  5. Step 5: Solve for x
    x = 930,216,321.01/42,914.70
  6. Step 6: Final answer
    x = 21,675.94

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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.