Home / 51,188.90-76,734.72-17,887.25

Finding the Fourth Proportional to 51,188.90, 76,734.72 and 17,887.25

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Solution

The fourth proportional to 51,188.90, 76,734.72 and 17,887.25 is: 26,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.90 : 76,734.72 = 17,887.25 : x
  2. Step 2: Convert to fraction form
    51,188.90/76,734.72 = 17,887.25/x
  3. Step 3: Cross multiply
    51,188.90x = 76,734.72 × 17,887.25
  4. Step 4: Simplify right side
    51,188.90x = 1,372,573,312.16
  5. Step 5: Solve for x
    x = 1,372,573,312.16/51,188.90
  6. Step 6: Final answer
    x = 26,813.89

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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.