Home / 65,762.46-98,634.38-21,389.85

Finding the Fourth Proportional to 65,762.46, 98,634.38 and 21,389.85

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Solution

The fourth proportional to 65,762.46, 98,634.38 and 21,389.85 is: 32,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.46 : 98,634.38 = 21,389.85 : x
  2. Step 2: Convert to fraction form
    65,762.46/98,634.38 = 21,389.85/x
  3. Step 3: Cross multiply
    65,762.46x = 98,634.38 × 21,389.85
  4. Step 4: Simplify right side
    65,762.46x = 2,109,774,486.09
  5. Step 5: Solve for x
    x = 2,109,774,486.09/65,762.46
  6. Step 6: Final answer
    x = 32,081.75

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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.