Home / 39,721.94-54,851.87-29,632.86

Finding the Fourth Proportional to 39,721.94, 54,851.87 and 29,632.86

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Solution

The fourth proportional to 39,721.94, 54,851.87 and 29,632.86 is: 40,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.94 : 54,851.87 = 29,632.86 : x
  2. Step 2: Convert to fraction form
    39,721.94/54,851.87 = 29,632.86/x
  3. Step 3: Cross multiply
    39,721.94x = 54,851.87 × 29,632.86
  4. Step 4: Simplify right side
    39,721.94x = 1,625,417,636.28
  5. Step 5: Solve for x
    x = 1,625,417,636.28/39,721.94
  6. Step 6: Final answer
    x = 40,919.90

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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.