Home / 74,435.48-111,664.38-21,838.76

Finding the Fourth Proportional to 74,435.48, 111,664.38 and 21,838.76

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Solution

The fourth proportional to 74,435.48, 111,664.38 and 21,838.76 is: 32,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.48 : 111,664.38 = 21,838.76 : x
  2. Step 2: Convert to fraction form
    74,435.48/111,664.38 = 21,838.76/x
  3. Step 3: Cross multiply
    74,435.48x = 111,664.38 × 21,838.76
  4. Step 4: Simplify right side
    74,435.48x = 2,438,611,595.37
  5. Step 5: Solve for x
    x = 2,438,611,595.37/74,435.48
  6. Step 6: Final answer
    x = 32,761.41

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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.