Home / 39,151.86-54,029.64-22,384.86

Finding the Fourth Proportional to 39,151.86, 54,029.64 and 22,384.86

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Solution

The fourth proportional to 39,151.86, 54,029.64 and 22,384.86 is: 30,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.86 : 54,029.64 = 22,384.86 : x
  2. Step 2: Convert to fraction form
    39,151.86/54,029.64 = 22,384.86/x
  3. Step 3: Cross multiply
    39,151.86x = 54,029.64 × 22,384.86
  4. Step 4: Simplify right side
    39,151.86x = 1,209,445,927.25
  5. Step 5: Solve for x
    x = 1,209,445,927.25/39,151.86
  6. Step 6: Final answer
    x = 30,891.15

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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.