Home / 53,537.90-73,892.64-30,891.50

Finding the Fourth Proportional to 53,537.90, 73,892.64 and 30,891.50

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Solution

The fourth proportional to 53,537.90, 73,892.64 and 30,891.50 is: 42,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,537.90 : 73,892.64 = 30,891.50 : x
  2. Step 2: Convert to fraction form
    53,537.90/73,892.64 = 30,891.50/x
  3. Step 3: Cross multiply
    53,537.90x = 73,892.64 × 30,891.50
  4. Step 4: Simplify right side
    53,537.90x = 2,282,654,488.56
  5. Step 5: Solve for x
    x = 2,282,654,488.56/53,537.90
  6. Step 6: Final answer
    x = 42,636.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.