Home / 30,727.86-46,109.69-12,957.41

Finding the Fourth Proportional to 30,727.86, 46,109.69 and 12,957.41

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Solution

The fourth proportional to 30,727.86, 46,109.69 and 12,957.41 is: 19,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727.86 : 46,109.69 = 12,957.41 : x
  2. Step 2: Convert to fraction form
    30,727.86/46,109.69 = 12,957.41/x
  3. Step 3: Cross multiply
    30,727.86x = 46,109.69 × 12,957.41
  4. Step 4: Simplify right side
    30,727.86x = 597,461,862.97
  5. Step 5: Solve for x
    x = 597,461,862.97/30,727.86
  6. Step 6: Final answer
    x = 19,443.65

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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.