Home / 39,971.99-59,892.37-13,662.38

Finding the Fourth Proportional to 39,971.99, 59,892.37 and 13,662.38

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Solution

The fourth proportional to 39,971.99, 59,892.37 and 13,662.38 is: 20,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.99 : 59,892.37 = 13,662.38 : x
  2. Step 2: Convert to fraction form
    39,971.99/59,892.37 = 13,662.38/x
  3. Step 3: Cross multiply
    39,971.99x = 59,892.37 × 13,662.38
  4. Step 4: Simplify right side
    39,971.99x = 818,272,318.04
  5. Step 5: Solve for x
    x = 818,272,318.04/39,971.99
  6. Step 6: Final answer
    x = 20,471.14

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1.5x scale

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.