Home / 36,089.17-54,132.54-12,715

Finding the Fourth Proportional to 36,089.17, 54,132.54 and 12,715

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Solution

The fourth proportional to 36,089.17, 54,132.54 and 12,715 is: 19,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.17 : 54,132.54 = 12,715 : x
  2. Step 2: Convert to fraction form
    36,089.17/54,132.54 = 12,715/x
  3. Step 3: Cross multiply
    36,089.17x = 54,132.54 × 12,715
  4. Step 4: Simplify right side
    36,089.17x = 688,295,246.10
  5. Step 5: Solve for x
    x = 688,295,246.10/36,089.17
  6. Step 6: Final answer
    x = 19,072.07

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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.