Home / 36,670.28-55,009.74-11,711.72

Finding the Fourth Proportional to 36,670.28, 55,009.74 and 11,711.72

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Solution

The fourth proportional to 36,670.28, 55,009.74 and 11,711.72 is: 17,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,670.28 : 55,009.74 = 11,711.72 : x
  2. Step 2: Convert to fraction form
    36,670.28/55,009.74 = 11,711.72/x
  3. Step 3: Cross multiply
    36,670.28x = 55,009.74 × 11,711.72
  4. Step 4: Simplify right side
    36,670.28x = 644,258,672.15
  5. Step 5: Solve for x
    x = 644,258,672.15/36,670.28
  6. Step 6: Final answer
    x = 17,568.96

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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.