Home / 36,905.49-55,359.95-11,947.50

Finding the Fourth Proportional to 36,905.49, 55,359.95 and 11,947.50

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Solution

The fourth proportional to 36,905.49, 55,359.95 and 11,947.50 is: 17,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905.49 : 55,359.95 = 11,947.50 : x
  2. Step 2: Convert to fraction form
    36,905.49/55,359.95 = 11,947.50/x
  3. Step 3: Cross multiply
    36,905.49x = 55,359.95 × 11,947.50
  4. Step 4: Simplify right side
    36,905.49x = 661,412,942.89
  5. Step 5: Solve for x
    x = 661,412,942.89/36,905.49
  6. Step 6: Final answer
    x = 17,921.80

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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.