Home / 39,340.86-54,288.51-22,342.86

Finding the Fourth Proportional to 39,340.86, 54,288.51 and 22,342.86

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Solution

The fourth proportional to 39,340.86, 54,288.51 and 22,342.86 is: 30,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.86 : 54,288.51 = 22,342.86 : x
  2. Step 2: Convert to fraction form
    39,340.86/54,288.51 = 22,342.86/x
  3. Step 3: Cross multiply
    39,340.86x = 54,288.51 × 22,342.86
  4. Step 4: Simplify right side
    39,340.86x = 1,212,960,578.54
  5. Step 5: Solve for x
    x = 1,212,960,578.54/39,340.86
  6. Step 6: Final answer
    x = 30,832.08

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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.