Home / 36,953.67-55,430.48-11,993.72

Finding the Fourth Proportional to 36,953.67, 55,430.48 and 11,993.72

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Solution

The fourth proportional to 36,953.67, 55,430.48 and 11,993.72 is: 17,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,953.67 : 55,430.48 = 11,993.72 : x
  2. Step 2: Convert to fraction form
    36,953.67/55,430.48 = 11,993.72/x
  3. Step 3: Cross multiply
    36,953.67x = 55,430.48 × 11,993.72
  4. Step 4: Simplify right side
    36,953.67x = 664,817,319.46
  5. Step 5: Solve for x
    x = 664,817,319.46/36,953.67
  6. Step 6: Final answer
    x = 17,990.56

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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.