Home / 54,169.85-81,265.71-31,999.14

Finding the Fourth Proportional to 54,169.85, 81,265.71 and 31,999.14

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Solution

The fourth proportional to 54,169.85, 81,265.71 and 31,999.14 is: 48,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.85 : 81,265.71 = 31,999.14 : x
  2. Step 2: Convert to fraction form
    54,169.85/81,265.71 = 31,999.14/x
  3. Step 3: Cross multiply
    54,169.85x = 81,265.71 × 31,999.14
  4. Step 4: Simplify right side
    54,169.85x = 2,600,432,831.49
  5. Step 5: Solve for x
    x = 2,600,432,831.49/54,169.85
  6. Step 6: Final answer
    x = 48,005.17

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1.5x scale

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.