Home / 39,523.86-54,539.97-21,617.94

Finding the Fourth Proportional to 39,523.86, 54,539.97 and 21,617.94

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Solution

The fourth proportional to 39,523.86, 54,539.97 and 21,617.94 is: 29,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.86 : 54,539.97 = 21,617.94 : x
  2. Step 2: Convert to fraction form
    39,523.86/54,539.97 = 21,617.94/x
  3. Step 3: Cross multiply
    39,523.86x = 54,539.97 × 21,617.94
  4. Step 4: Simplify right side
    39,523.86x = 1,179,041,799.06
  5. Step 5: Solve for x
    x = 1,179,041,799.06/39,523.86
  6. Step 6: Final answer
    x = 29,831.14

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1.5x scale

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.