Home / 51,567.11-71,146.63-28,902.96

Finding the Fourth Proportional to 51,567.11, 71,146.63 and 28,902.96

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Solution

The fourth proportional to 51,567.11, 71,146.63 and 28,902.96 is: 39,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.11 : 71,146.63 = 28,902.96 : x
  2. Step 2: Convert to fraction form
    51,567.11/71,146.63 = 28,902.96/x
  3. Step 3: Cross multiply
    51,567.11x = 71,146.63 × 28,902.96
  4. Step 4: Simplify right side
    51,567.11x = 2,056,348,201.02
  5. Step 5: Solve for x
    x = 2,056,348,201.02/51,567.11
  6. Step 6: Final answer
    x = 39,877.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.