Home / 36,937.56-55,400.86-11,979.80

Finding the Fourth Proportional to 36,937.56, 55,400.86 and 11,979.80

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Solution

The fourth proportional to 36,937.56, 55,400.86 and 11,979.80 is: 17,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937.56 : 55,400.86 = 11,979.80 : x
  2. Step 2: Convert to fraction form
    36,937.56/55,400.86 = 11,979.80/x
  3. Step 3: Cross multiply
    36,937.56x = 55,400.86 × 11,979.80
  4. Step 4: Simplify right side
    36,937.56x = 663,691,222.63
  5. Step 5: Solve for x
    x = 663,691,222.63/36,937.56
  6. Step 6: Final answer
    x = 17,967.92

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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.