Home / 33,931.35-46,814.04-20,497.50

Finding the Fourth Proportional to 33,931.35, 46,814.04 and 20,497.50

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Solution

The fourth proportional to 33,931.35, 46,814.04 and 20,497.50 is: 28,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.35 : 46,814.04 = 20,497.50 : x
  2. Step 2: Convert to fraction form
    33,931.35/46,814.04 = 20,497.50/x
  3. Step 3: Cross multiply
    33,931.35x = 46,814.04 × 20,497.50
  4. Step 4: Simplify right side
    33,931.35x = 959,570,784.90
  5. Step 5: Solve for x
    x = 959,570,784.90/33,931.35
  6. Step 6: Final answer
    x = 28,279.77

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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.