Home / 65,206.26-97,828.11-20,839.86

Finding the Fourth Proportional to 65,206.26, 97,828.11 and 20,839.86

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Solution

The fourth proportional to 65,206.26, 97,828.11 and 20,839.86 is: 31,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.26 : 97,828.11 = 20,839.86 : x
  2. Step 2: Convert to fraction form
    65,206.26/97,828.11 = 20,839.86/x
  3. Step 3: Cross multiply
    65,206.26x = 97,828.11 × 20,839.86
  4. Step 4: Simplify right side
    65,206.26x = 2,038,724,116.46
  5. Step 5: Solve for x
    x = 2,038,724,116.46/65,206.26
  6. Step 6: Final answer
    x = 31,265.77

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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.