Home / 39,020.94-58,549.64-20,291.11

Finding the Fourth Proportional to 39,020.94, 58,549.64 and 20,291.11

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Solution

The fourth proportional to 39,020.94, 58,549.64 and 20,291.11 is: 30,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.94 : 58,549.64 = 20,291.11 : x
  2. Step 2: Convert to fraction form
    39,020.94/58,549.64 = 20,291.11/x
  3. Step 3: Cross multiply
    39,020.94x = 58,549.64 × 20,291.11
  4. Step 4: Simplify right side
    39,020.94x = 1,188,036,937.87
  5. Step 5: Solve for x
    x = 1,188,036,937.87/39,020.94
  6. Step 6: Final answer
    x = 30,446.14

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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.