Home / 37,283.20-55,911.04-13,909.12

Finding the Fourth Proportional to 37,283.20, 55,911.04 and 13,909.12

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Solution

The fourth proportional to 37,283.20, 55,911.04 and 13,909.12 is: 20,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.20 : 55,911.04 = 13,909.12 : x
  2. Step 2: Convert to fraction form
    37,283.20/55,911.04 = 13,909.12/x
  3. Step 3: Cross multiply
    37,283.20x = 55,911.04 × 13,909.12
  4. Step 4: Simplify right side
    37,283.20x = 777,673,364.68
  5. Step 5: Solve for x
    x = 777,673,364.68/37,283.20
  6. Step 6: Final answer
    x = 20,858.55

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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.