Home / 51,090.89-76,536.69-28,836.95

Finding the Fourth Proportional to 51,090.89, 76,536.69 and 28,836.95

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Solution

The fourth proportional to 51,090.89, 76,536.69 and 28,836.95 is: 43,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.89 : 76,536.69 = 28,836.95 : x
  2. Step 2: Convert to fraction form
    51,090.89/76,536.69 = 28,836.95/x
  3. Step 3: Cross multiply
    51,090.89x = 76,536.69 × 28,836.95
  4. Step 4: Simplify right side
    51,090.89x = 2,207,084,702.70
  5. Step 5: Solve for x
    x = 2,207,084,702.70/51,090.89
  6. Step 6: Final answer
    x = 43,199.18

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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.