Home / 65,207.90-97,817.26-20,840.96

Finding the Fourth Proportional to 65,207.90, 97,817.26 and 20,840.96

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Solution

The fourth proportional to 65,207.90, 97,817.26 and 20,840.96 is: 31,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.90 : 97,817.26 = 20,840.96 : x
  2. Step 2: Convert to fraction form
    65,207.90/97,817.26 = 20,840.96/x
  3. Step 3: Cross multiply
    65,207.90x = 97,817.26 × 20,840.96
  4. Step 4: Simplify right side
    65,207.90x = 2,038,605,602.97
  5. Step 5: Solve for x
    x = 2,038,605,602.97/65,207.90
  6. Step 6: Final answer
    x = 31,263.17

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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.