Home / 65,684.94-98,527.32-21,316.11

Finding the Fourth Proportional to 65,684.94, 98,527.32 and 21,316.11

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Solution

The fourth proportional to 65,684.94, 98,527.32 and 21,316.11 is: 31,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,684.94 : 98,527.32 = 21,316.11 : x
  2. Step 2: Convert to fraction form
    65,684.94/98,527.32 = 21,316.11/x
  3. Step 3: Cross multiply
    65,684.94x = 98,527.32 × 21,316.11
  4. Step 4: Simplify right side
    65,684.94x = 2,100,219,191.13
  5. Step 5: Solve for x
    x = 2,100,219,191.13/65,684.94
  6. Step 6: Final answer
    x = 31,974.14

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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.