Home / 53,747.55-80,617.01-18,682.11

Finding the Fourth Proportional to 53,747.55, 80,617.01 and 18,682.11

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Solution

The fourth proportional to 53,747.55, 80,617.01 and 18,682.11 is: 28,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.55 : 80,617.01 = 18,682.11 : x
  2. Step 2: Convert to fraction form
    53,747.55/80,617.01 = 18,682.11/x
  3. Step 3: Cross multiply
    53,747.55x = 80,617.01 × 18,682.11
  4. Step 4: Simplify right side
    53,747.55x = 1,506,095,755.28
  5. Step 5: Solve for x
    x = 1,506,095,755.28/53,747.55
  6. Step 6: Final answer
    x = 28,021.66

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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.