Home / 36,686.56-55,030.67-20,777.92

Finding the Fourth Proportional to 36,686.56, 55,030.67 and 20,777.92

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Solution

The fourth proportional to 36,686.56, 55,030.67 and 20,777.92 is: 31,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.56 : 55,030.67 = 20,777.92 : x
  2. Step 2: Convert to fraction form
    36,686.56/55,030.67 = 20,777.92/x
  3. Step 3: Cross multiply
    36,686.56x = 55,030.67 × 20,777.92
  4. Step 4: Simplify right side
    36,686.56x = 1,143,422,858.81
  5. Step 5: Solve for x
    x = 1,143,422,858.81/36,686.56
  6. Step 6: Final answer
    x = 31,167.35

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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.