Home / 33,971.40-50,956.83-13,980.74

Finding the Fourth Proportional to 33,971.40, 50,956.83 and 13,980.74

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Solution

The fourth proportional to 33,971.40, 50,956.83 and 13,980.74 is: 20,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,971.40 : 50,956.83 = 13,980.74 : x
  2. Step 2: Convert to fraction form
    33,971.40/50,956.83 = 13,980.74/x
  3. Step 3: Cross multiply
    33,971.40x = 50,956.83 × 13,980.74
  4. Step 4: Simplify right side
    33,971.40x = 712,413,936.67
  5. Step 5: Solve for x
    x = 712,413,936.67/33,971.40
  6. Step 6: Final answer
    x = 20,970.99

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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.