Home / 65,953.09-98,945.16-21,579.67

Finding the Fourth Proportional to 65,953.09, 98,945.16 and 21,579.67

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Solution

The fourth proportional to 65,953.09, 98,945.16 and 21,579.67 is: 32,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.09 : 98,945.16 = 21,579.67 : x
  2. Step 2: Convert to fraction form
    65,953.09/98,945.16 = 21,579.67/x
  3. Step 3: Cross multiply
    65,953.09x = 98,945.16 × 21,579.67
  4. Step 4: Simplify right side
    65,953.09x = 2,135,203,900.90
  5. Step 5: Solve for x
    x = 2,135,203,900.90/65,953.09
  6. Step 6: Final answer
    x = 32,374.58

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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.