Home / 65,943.65-98,845.74-21,558.49

Finding the Fourth Proportional to 65,943.65, 98,845.74 and 21,558.49

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Solution

The fourth proportional to 65,943.65, 98,845.74 and 21,558.49 is: 32,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,943.65 : 98,845.74 = 21,558.49 : x
  2. Step 2: Convert to fraction form
    65,943.65/98,845.74 = 21,558.49/x
  3. Step 3: Cross multiply
    65,943.65x = 98,845.74 × 21,558.49
  4. Step 4: Simplify right side
    65,943.65x = 2,130,964,650.22
  5. Step 5: Solve for x
    x = 2,130,964,650.22/65,943.65
  6. Step 6: Final answer
    x = 32,314.93

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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.