Home / 65,211.14-97,779.98-20,827.46

Finding the Fourth Proportional to 65,211.14, 97,779.98 and 20,827.46

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Solution

The fourth proportional to 65,211.14, 97,779.98 and 20,827.46 is: 31,229.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211.14 : 97,779.98 = 20,827.46 : x
  2. Step 2: Convert to fraction form
    65,211.14/97,779.98 = 20,827.46/x
  3. Step 3: Cross multiply
    65,211.14x = 97,779.98 × 20,827.46
  4. Step 4: Simplify right side
    65,211.14x = 2,036,508,622.25
  5. Step 5: Solve for x
    x = 2,036,508,622.25/65,211.14
  6. Step 6: Final answer
    x = 31,229.46

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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.