Home / 66,606.45-99,925.37-21,627.65

Finding the Fourth Proportional to 66,606.45, 99,925.37 and 21,627.65

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Solution

The fourth proportional to 66,606.45, 99,925.37 and 21,627.65 is: 32,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.45 : 99,925.37 = 21,627.65 : x
  2. Step 2: Convert to fraction form
    66,606.45/99,925.37 = 21,627.65/x
  3. Step 3: Cross multiply
    66,606.45x = 99,925.37 × 21,627.65
  4. Step 4: Simplify right side
    66,606.45x = 2,161,150,509.49
  5. Step 5: Solve for x
    x = 2,161,150,509.49/66,606.45
  6. Step 6: Final answer
    x = 32,446.56

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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.