Home / 74,036.46-111,046.48-21,445.94

Finding the Fourth Proportional to 74,036.46, 111,046.48 and 21,445.94

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Solution

The fourth proportional to 74,036.46, 111,046.48 and 21,445.94 is: 32,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.46 : 111,046.48 = 21,445.94 : x
  2. Step 2: Convert to fraction form
    74,036.46/111,046.48 = 21,445.94/x
  3. Step 3: Cross multiply
    74,036.46x = 111,046.48 × 21,445.94
  4. Step 4: Simplify right side
    74,036.46x = 2,381,496,147.29
  5. Step 5: Solve for x
    x = 2,381,496,147.29/74,036.46
  6. Step 6: Final answer
    x = 32,166.53

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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.