Home / 58,918.62-81,337.77-39,898.92

Finding the Fourth Proportional to 58,918.62, 81,337.77 and 39,898.92

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Solution

The fourth proportional to 58,918.62, 81,337.77 and 39,898.92 is: 55,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.62 : 81,337.77 = 39,898.92 : x
  2. Step 2: Convert to fraction form
    58,918.62/81,337.77 = 39,898.92/x
  3. Step 3: Cross multiply
    58,918.62x = 81,337.77 × 39,898.92
  4. Step 4: Simplify right side
    58,918.62x = 3,245,289,178.21
  5. Step 5: Solve for x
    x = 3,245,289,178.21/58,918.62
  6. Step 6: Final answer
    x = 55,080.88

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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.