Home / 39,739.86-59,561.37-21,969.81

Finding the Fourth Proportional to 39,739.86, 59,561.37 and 21,969.81

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Solution

The fourth proportional to 39,739.86, 59,561.37 and 21,969.81 is: 32,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.86 : 59,561.37 = 21,969.81 : x
  2. Step 2: Convert to fraction form
    39,739.86/59,561.37 = 21,969.81/x
  3. Step 3: Cross multiply
    39,739.86x = 59,561.37 × 21,969.81
  4. Step 4: Simplify right side
    39,739.86x = 1,308,551,982.24
  5. Step 5: Solve for x
    x = 1,308,551,982.24/39,739.86
  6. Step 6: Final answer
    x = 32,927.95

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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.