Home / 36,086.67-54,128.79-12,712.50

Finding the Fourth Proportional to 36,086.67, 54,128.79 and 12,712.50

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Solution

The fourth proportional to 36,086.67, 54,128.79 and 12,712.50 is: 19,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.67 : 54,128.79 = 12,712.50 : x
  2. Step 2: Convert to fraction form
    36,086.67/54,128.79 = 12,712.50/x
  3. Step 3: Cross multiply
    36,086.67x = 54,128.79 × 12,712.50
  4. Step 4: Simplify right side
    36,086.67x = 688,112,242.88
  5. Step 5: Solve for x
    x = 688,112,242.88/36,086.67
  6. Step 6: Final answer
    x = 19,068.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.