Home / 36,785.07-55,178.12-10,489.81

Finding the Fourth Proportional to 36,785.07, 55,178.12 and 10,489.81

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Solution

The fourth proportional to 36,785.07, 55,178.12 and 10,489.81 is: 15,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.07 : 55,178.12 = 10,489.81 : x
  2. Step 2: Convert to fraction form
    36,785.07/55,178.12 = 10,489.81/x
  3. Step 3: Cross multiply
    36,785.07x = 55,178.12 × 10,489.81
  4. Step 4: Simplify right side
    36,785.07x = 578,807,994.96
  5. Step 5: Solve for x
    x = 578,807,994.96/36,785.07
  6. Step 6: Final answer
    x = 15,734.86

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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.