Home / 31,877.85-47,816.24-11,100.81

Finding the Fourth Proportional to 31,877.85, 47,816.24 and 11,100.81

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Solution

The fourth proportional to 31,877.85, 47,816.24 and 11,100.81 is: 16,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.85 : 47,816.24 = 11,100.81 : x
  2. Step 2: Convert to fraction form
    31,877.85/47,816.24 = 11,100.81/x
  3. Step 3: Cross multiply
    31,877.85x = 47,816.24 × 11,100.81
  4. Step 4: Simplify right side
    31,877.85x = 530,798,995.15
  5. Step 5: Solve for x
    x = 530,798,995.15/31,877.85
  6. Step 6: Final answer
    x = 16,651.03

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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.